| Ready-to-Read | 背ラベル （1段目は全てRY837） |
YLレベル | |||||
| シリーズ名 | 題名 | ＩＳＢＮ | 2段目 | 3段目 | レベル | 総語数 | |
| 1 | Ready-to-Read1 | Freddie and Flossie and the Leaf Monster | 1416902713 | RTR1 | 0001 | 0.3 | 51 |
| 2 | Freddie and Flossie and the Train Ride | 1416902694 | RTR1 | 0002 | 0.3 | 54 | |
| 3 | Freddie and Flossie and Snap | 1416902678 | RTR1 | 0003 | 0.3 | 56 | |
| 4 | Freddie and Flossie | 1416902708 | RTR1 | 0004 | 0.3 | 57 | |
| 5 | Freddie and Flossie at the Beach | 1416902686 | RTR1 | 0005 | 0.3 | 59 | |
| 6 | Freddie and Flossie and the Easter Egg Hunt | 1416910299 | RTR1 | 0006 | 0.3 | 62 | |
| 7 | Freddie and Flossie and the Little Seed | 1416917663 | RTR1 | 0007 | 0.3 | 63 | |
| 8 | Twins in the Park | 0689857423 | RTR1 | 0008 | 0.3 | 61 | |
| 9 | Twins Take a Bath | 0689857409 | RTR1 | 0009 | 0.3 | 71 | |
| 10 | Puppy Mudge Finds a Friend | 1416903697 | RTR1 | 0010 | 0.3 | 76 | |
| 11 | Puppy Mudge Loves His Blanket | 1416903369 | RTR1 | 0011 | 0.3 | 93 | |
| 12 | Puppy Mudge Wants to Play | 1416915560 | RTR1 | 0012 | 0.4 | 98 | |
| 13 | Puppy Mudge Takes a Bath | 0689866210 | RTR1 | 0013 | 0.3 | 103 | |
| 14 | Puppy Mudge Has a Snack | 0689869952 | RTR1 | 0014 | 0.4 | 116 | |
| 15 | Scaredy-Pants!A Halloween Story | 1416909569 | RTR1 | 0015 | 0.4 | 100 | |
| 16 | Big Heart!A Valentine's Day Tale | 1416909576 | RTR1 | 0016 | 0.4 | 100 | |
| 17 | More Snacks!A Thanksgiving Play | 1416909545 | RTR1 | 0017 | 0.4 | 107 | |
| 18 | Happy and Honey | 0689842351 | RTR1 | 0018 | 0.3 | 111 | |
| 19 | Swing Otto Swing | 0689855658 | RTR1 | 0019 | 0.3 | 64 | |
| 20 | Time for Bed | 0689877377 | RTR1 | 0020 | 0.3 | 63 | |
| 21 | Rain | 0689854392 | RTR1 | 0021 | 0.4 | 129 | |
| 22 | Lucky Duck | 0689860293 | RTR1 | 0022 | 0.4 | 145 | |
| 23 | Snow | 0689854378 | RTR1 | 0023 | 0.5 | 161 | |
| 24 | Clouds | 0689854415 | RTR1 | 0024 | 0.4 | 168 | |
| 25 | Wind | 0689854439 | RTR1 | 0025 | 0.5 | 174 | |
| 26 | Groundhog Day | 1416905073 | RTR1 | 0026 | 0.5 | 197 | |
| 27 | Doodle Dog in Space | 0689859120 | RTR1 | 0027 | 0.5 | 202 | |
| 28 | Johnny Appleseed | 0689859588 | RTR1 | 0028 | 0.5 | 217 | |
| 29 | First-Grade Bunny | 0689864272 | RTR1 | 0029 | 0.5 | 219 | |
| 30 | The First Day of School | 0689869143 | RTR1 | 0030 | 0.5 | 227 | |
| 31 | Happy Thanksgiving | 1416905059 | RTR1 | 0031 | 0.5 | 228 | |
| 32 | Dad Goes to School | 1416915416 | RTR1 | 0032 | 0.5 | 228 | |
| 33 | Happy Graduation! | 1416905097 | RTR1 | 0033 | 0.5 | 231 | |
| 34 | The Counting Race | 0689855399 | RTR1 | 0034 | 0.4 | 234 | |
| 35 | Fall Leaf Project | 1416915379 | RTR1 | 0035 | 0.5 | 239 | |
| 36 | The Luck of the Irish | 1416915393 | RTR1 | 0036 | 0.5 | 251 | |
| 37 | A Tooth Story | 0689864230 | RTR1 | 0037 | 0.4 | 254 | |
| 38 | Election Day | 0689864254 | RTR1 | 0038 | 0.4 | 268 | |
| 39 | Too Many Valentines | 0689855370 | RTR1 | 0039 | 0.4 | 270 | |
| 40 | Snow Day | 1416934936 | RTR1 | 0040 | 0.5 | 231 | |
| 41 | The Pumpkin Patch | 0689858744 | RTR1 | 0041 | 0.4 | 234 | |
| 42 | The Playground Problem | 0689858765 | RTR1 | 0042 | 0.4 | 271 | |
| 43 | One Hundred Days(Plus One) | 0689855351 | RTR1 | 0043 | 0.5 | 294 | |
| 44 | Martin Luther King Jr.Day | 1416934943 | RTR1 | 0044 | 0.5 | 240 | |
| 45 | The Rocky Mountains | 0689869488 | RTR1 | 0045 | 0.5 | 186 | |
| 46 | The Grand Canyon | 0689869464 | RTR1 | 0046 | 0.5 | 225 | |
| 47 | The Statue of Liberty | 1416934790 | RTR1 | 0047 | 0.5 | 178 | |
| 48 | Mount Rushmore | 1416934776 | RTR1 | 0048 | 0.5 | 217 | |
| 49 | The Mighty Mississippi | 0689869501 | RTR1 | 0049 | 0.5 | 193 | |
| 50 | Max & Mo's First Day at School | 1416925330 | RTR1 | 0050 | 0.5 | 200 | |
| 51 | Max & Mo Make a Snowman | 1416925378 | RTR1 | 0051 | 0.5 | 217 | |
| 52 | Max & Mo Go Apple Picking | 1416925354 | RTR1 | 0052 | 0.5 | 200 | |
| 53 | Doodle Dog Granny Doodle Day | 0689859113 | RTR1 | 0053 | 0.4 | 162 | |
| 54 | Dolores and the Big Fire | 0689834400 | RTR1 | 0054 | 0.6 | 482 | |
| 55 | Brave Norman | 0689834387 | RTR1 | 0055 | 0.7 | 494 | |
| 56 | Mister Bones | 0689859600 | RTR1 | 0056 | 0.5 | 231 | |
| 57 | What Columbus Found | 0689867620 | RTR1 | 0057 | 0.4 | 175 | |
| 58 | The Best Fall of All | 0689847639 | RTR1 | 0058 | 0.3 | 154 | |
| 59 | Eloise and the Dinosaurs | 0689874536 | RTR1 | 0059 | 0.4 | 174 | |
| 60 | Eloise and the Big Parade | 1416935230 | RTR1 | 0060 | 0.5 | 221 | |
| 61 | Eloise and the Very Secret Room | 0689874505 | RTR1 | 0061 | 0.5 | 256 | |
| 62 | Eloise Has a Lesson | 0689873676 | RTR1 | 0062 | 0.3 | 183 | |
| 63 | Eloise at the Wedding | 0689874499 | RTR1 | 0063 | 0.4 | 247 | |
| 64 | Eloise Decorates for Christmas | 1416949787 | RTR1 | 0064 | 0.5 | 213 | |
| 65 | Eloise's Summer Vacation | 0689874543 | RTR1 | 0065 | 0.5 | 212 | |
| 66 | Eloise's New Bonnet | 0689874529 | RTR1 | 0066 | 0.5 | 238 | |
| 67 | Eloise's Pirate Adventure | 1416949794 | RTR1 | 0067 | 0.5 | 237 | |
| 68 | Piggley Makes a Pie | 0689876134 | RTR1 | 0068 | 0.5 | 377 | |
| 69 | Piggley Helps Out | 0689876141 | RTR1 | 0069 | 0.5 | 300 | |
| 70 | Big Brother Piggley | 1416928195 | RTR1 | 0070 | 0.5 | 357 | |
| 71 | Piggley Makes a Friend | 1416935810 | RTR1 | 0071 | 0.5 | 291 | |
| 72 | Ready-to-Read2 | Babe Ruth and the Ice Cream Mess | 0689855290 | RTR2 | 0001 | 0.7 | 457 |
| 73 | Thomas Edison to the Rescue! | 0689853319 | RTR2 | 0002 | 0.8 | 483 | |
| 74 | A Lesson for Martin Luther King Jr. | 0689853971 | RTR2 | 0003 | 0.7 | 486 | |
| 75 | Betsy Ross and the Silver Thimble | 0689849541 | RTR2 | 0004 | 1.0 | 495 | |
| 76 | Mark Twain at Work! | 0689853999 | RTR2 | 0005 | 0.7 | 514 | |
| 77 | Sacagawea and the Bravest Deed | 0689848032 | RTR2 | 0006 | 0.8 | 584 | |
| 78 | Paul Revere and the Bell Ringers | 0689856358 | RTR2 | 0007 | 0.8 | 636 | |
| 79 | George Washington's First Victory | 0689859422 | RTR2 | 0008 | 0.8 | 645 | |
| 80 | Helen Keller and the Big Storm | 0689841043 | RTR2 | 0009 | 0.8 | 738 | |
| 81 | Annie Oakley Saves the Day | 0689865201 | RTR2 | 0010 | 0.8 | 744 | |
| 82 | Abe Lincoln and the Muddy Pig | 0689841035 | RTR2 | 0011 | 0.9 | 987 | |
| 83 | Henry and Mudge and the Starry Night | 0689825866 | RTR2 | 0012 | 1.0 | 464 | |
| 84 | Henry and Mudge and the Tall Tree House | 0689834455 | RTR2 | 0013 | 1.2 | 465 | |
| 85 | Henry and Mudge and the Funny Lunch | 0689834448 | RTR2 | 0014 | 1.0 | 480 | |
| 86 | Henry and Mudge in the Family Trees | 0689823176 | RTR2 | 0015 | 0.7 | 513 | |
| 87 | Henry and Mudge and the Sneaky Crackers | 0689825255 | RTR2 | 0016 | 1.0 | 524 | |
| 88 | Henry and Mudge and the Big Sleepover | 0689834156 | RTR2 | 0017 | 0.8 | 534 | |
| 89 | Henry and Mudge and the Wild Goose Chase | 0689834509 | RTR2 | 0018 | 1.0 | 553 | |
| 90 | Henry and Mudge and the Tumbling Trip | 0689834523 | RTR2 | 0019 | 1.0 | 560 | |
| 91 | Henry and Mudge and Mrs. Hopper's House | 0689834462 | RTR2 | 0020 | 1.2 | 562 | |
| 92 | Henry and Mudge and a Very Merry Christmas | 0689834486 | RTR2 | 0021 | 1.0 | 568 | |
| 93 | Henry and Mudge and Annie's Perfect Pet | 0689834431 | RTR2 | 0022 | 1.2 | 580 | |
| 94 | Henry and Mudge and Annie's Good Move | 0689832840 | RTR2 | 0023 | 1.0 | 602 | |
| 95 | Henry and Mudge and the Bedtime Thumps | 0689801624 | RTR2 | 0024 | 0.9 | 618 | |
| 96 | Henry and Mudge and the Best Day of All | 0689813856 | RTR2 | 0025 | 1.2 | 618 | |
| 97 | Henry and Mudge and the Great Grandpas | 0689834479 | RTR2 | 0026 | 1.0 | 629 | |
| 98 | Henry and Mudge and the Snowman Plan | 0689834493 | RTR2 | 0027 | 1.0 | 641 | |
| 99 | Henry and Mudge Get the Cold Shivers | 0689810152 | RTR2 | 0028 | 0.8 | 675 | |
| 100 | Henry and Mudge and the Forever Sea | 0689810176 | RTR2 | 0029 | 0.8 | 680 | |
| 101 | Henry and Mudge in the Green Time | 0689810015 | RTR2 | 0030 | 1.2 | 764 | |
| 102 | Henry and Mudge and the Wild Wind | 0689808388 | RTR2 | 0031 | 1.2 | 778 | |
| 103 | Henry and Mudge in the Sparkle Days | 0689810190 | RTR2 | 0032 | 1.2 | 810 | |
| 104 | Henry and Mudge the First Book | 0689810053 | RTR2 | 0033 | 1.3 | 814 | |
| 105 | Henry and Mudge Take the Big Test | 0689808869 | RTR2 | 0034 | 1.5 | 882 | |
| 106 | Henry and Mudge Under the Yellow Moon | 0689810213 | RTR2 | 0035 | 0.9 | 932 | |
| 107 | Henry and Mudge and the Long Weekend | 0689808852 | RTR2 | 0036 | 0.8 | 979 | |
| 108 | Henry and Mudge and the Careful Cousin | 0689813863 | RTR2 | 0037 | 1.0 | 1129 | |
| 109 | Henry and Mudge in Puddle Trouble | 0689810039 | RTR2 | 0038 | 1.0 | 1291 | |
| 110 | Henry and Mudge and the Happy Cat | 0689810138 | RTR2 | 0039 | 1.5 | 902 | |
| 111 | Hello, Hollywood! | 1416939009 | RTR2 | 0040 | 1.0 | 916 | |
| 112 | Trouble on Oak Street | 1416918226 | RTR2 | 0041 | 0.8 | 794 | |
| 113 | Tara and Tiree, Fearless Friends | 0689834417 | RTR2 | 0042 | 0.7 | 516 | |
| 114 | Ringo Saves the Day! | 0689834394 | RTR2 | 0043 | 0.8 | 450 | |
| 115 | Escape Artist | 0689848153 | RTR2 | 0044 | 0.7 | 500 | |
| 116 | The Green Monster | 0689869029 | RTR2 | 0045 | 1.0 | 755 | |
| 117 | Turtle Rescue! | 0689870071 | RTR2 | 0046 | 0.8 | 629 | |
| 118 | Ready-to-Read3 | Invasion of the Pig Sisters | 0689849589 | RTR3 | 0001 | 0.9 | 938 |
| 119 | Harriet Tubman and the Freedom Train | 0689854804 | RTR3 | 0002 | 1.0 | 960 | |
| 120 | The Gog That Dug for Dinosaurs | 068985708X | RTR3 | 0003 | 1.4 | 1101 | |
| 121 | Mitchell is Moving | 0689808760 | RTR3 | 0004 | 0.9 | 1189 | |
| 122 | From Slave to Soldier | 0689839665 | RTR3 | 0005 | 1.4 | 1529 | |
| 123 | Billy and the Rebel | 0689833960 | RTR3 | 0006 | 1.6 | 1567 | |
| 124 | Pinky and Rex | 0689823480 | RTR3 | 0007 | 1.4 | 1734 | |
| 125 | Pinky and Rex and the Bully | 0689808340 | RTR3 | 0008 | 1.5 | 2163 | |
| 126 | Pinky and Rex Go to Camp | 0689825880 | RTR3 | 0009 | 1.6 | 2376 | |
| 127 | Pinky and Rex and the Double-Dad Weekend | 0689808357 | RTR3 | 0010 | 1.6 | 2510 | |
| 128 | Pinky and Rex and the Spelling Bee | 0689828805 | RTR3 | 0011 | 1.6 | 2539 | |
| 129 | Pinky and Rex and the School Play | 0689817045 | RTR3 | 0012 | 1.6 | 2624 | |
| 130 | Pinky and Rex and the Just-Right Pet | 0689839429 | RTR3 | 0013 | 1.8 | 2701 | |
| 131 | Bunnicula and Friends: the Vampire Bunny | 0689857492 | RTR3 | 0014 | 1.8 | 2212 | |
| 132 | Bunnicula and Friends: Hot Fudge | 0689857508 | RTR3 | 0015 | 1.7 | 1695 | |
| 133 | Bunnicula and Friends: Scared Silly | 0689857515 | RTR3 | 0016 | 1.6 | 1499 | |
| 134 | Bunnicula and Friends: Rabbit-Cadabra! | 0689857522 | RTR3 | 0017 | 1.7 | 1518 | |
| 135 | Bunnicula and Friends: the Fright Before Christmas | 0689869419 | RTR3 | 0018 | 1.6 | 1541 | |
| 136 | The People's President | 0689858253 | RTR3 | 0019 | 2.3 | 1330 | |
| 137 | A Life on the Frontier | 0689859449 | RTR3 | 0020 | 1.8 | 1870 | |
| 138 | More Than a Flier | 0689855753 | RTR3 | 0021 | 1.8 | 2219 | |
| 139 | First Lady of the American Revolution | 0689870323 | RTR3 | 0022 | 1.4 | 2293 | |
| 140 | Spirit of the American Red Cross | 0689865138 | RTR3 | 0023 | 1.8 | 2499 | |
| 141 | Fighter for Women's Rights | 0689869099 | RTR3 | 0024 | 1.4 | 1358 | |
| 142 | Path to Glory | 0689872075 | RTR3 | 0025 | 1.6 | 2340 | |
| 143 | Dear Diary | 1416918202 | RTR3 | 0026 | 1.4 | 1270 | |
| 144 | Mallory on Guard | 1416949480 | RTR3 | 0027 | 1.4 | 1300 | |
| 145 | Thimbletack's Mission | 1416949497 | RTR3 | 0028 | 1.4 | 1200 | |
| 146 | Cleopatra and the King's Enemies | 0689871948 | RTR3 | 0029 | 1.8 | 1974 | |
| 147 | Elzabeth and the Royal Pony | 0689871917 | RTR3 | 0030 | 1.4 | 1700 | |
| 148 | Isabel Saves the Prince | 0689871979 | RTR3 | 0031 | 1.6 | 2100 | |