OSB: ORT Songbirds
| OSB | -3 | OSB: Oxford (Reading Tree) Songbirds | 0.1-0.6 | ||||
| OSB | -2 | 文字と発音指導用の絵本。文字の読み方がわかる | |||||
| OSB1+ | -1 | OSB1+: Songbirds Stage 1+ CD Pack | 0.1-0.3 | 317 | BD | 9780195976694 | |
| OSB1+ | 0 | OSB1+: Songbirds Stage 1+ | EA | 0.1-0.3 | 317 | 9780199113767 | |
| OSB1+ | 1 | Top Cat | 1 | 0.1-0.1 | 30 | CD | 9780199113781 |
| OSB1+ | 2 | Sam's Pot | 2 | 0.1-0.1 | 27 | CD | 9780199113798 |
| OSB1+ | 3 | Bob Bug | 3 | 0.2-0.2 | 54 | CD | 9780199113804 |
| OSB1+ | 4 | Dig, Dig, Dig! | 4 | 0.2-0.2 | 56 | CD | 9780199113811 |
| OSB1+ | 5 | Zak and the Vet | 5 | 0.2-0.2 | 57 | CD | 9780199113828 |
| OSB1+ | 6 | Mum Bug's Bag | 6 | 0.3-0.3 | 93 | CD | 9780199113835 |
| OSB2 | -1 | OSB2: Songbirds Stage 2 CD Pack | 0.2-0.3 | 594 | BD | 9780195976717 | |
| OSB2 | 0 | OSB2: Songbirds Stage 2 | EA | 0.2-0.3 | 594 | 9780199113866 | |
| OSB2 | 1 | Odd Pet, The | 1 | 0.3-0.3 | 112 | CD | 9780199113880 |
| OSB2 | 2 | Miss! Miss! | 2 | 0.3-0.3 | 82 | CD | 9780199113897 |
| OSB2 | 3 | This and That | 3 | 0.2-0.2 | 86 | CD | 9780199113903 |
| OSB2 | 4 | Fish and Chips | 4 | 0.3-0.3 | 78 | CD | 9780199113910 |
| OSB2 | 5 | Singing Dad | 5 | 0.2-0.2 | 100 | CD | 9780199113927 |
| OSB2 | 6 | Doctor Duck | 6 | 0.3-0.3 | 136 | CD | 9780199113934 |
| OSB3 | -1 | OSB3: Songbirds Stage 3 CD Pack | 0.3-0.3 | 576 | BD | 9780195976731 | |
| OSB3 | 0 | OSB3: Songbirds Stage 3 | EA | 0.3-0.3 | 576 | 9780199113965 | |
| OSB3 | 1 | Big Match, The | 1 | 0.3-0.3 | 107 | CD | 9780199113989 |
| OSB3 | 2 | Shopping List, The | 2 | 0.3-0.3 | 88 | CD | 9780199113996 |
| OSB3 | 3 | Gran is Cross | 3 | 0.3-0.3 | 115 | CD | 9780199114009 |
| OSB3 | 4 | Trunk and the Skunk, The | 4 | 0.3-0.3 | 116 | CD | 9780199114016 |
| OSB3 | 5 | Scrap Rocket, The | 5 | 0.3-0.3 | 67 | CD | 9780199114023 |
| OSB3 | 6 | Splash and Squelch | 6 | 0.3-0.3 | 83 | CD | 9780199114030 |
| OSB4 | -1 | OSB4: Songbirds Stage 4 CD Pack | 0.4-0.4 | 816 | BD | 9780195976755 | |
| OSB4 | 0 | OSB4: Songbirds Stage 4 | EA | 0.4-0.4 | 816 | 9780199114061 | |
| OSB4 | 1 | Queen Anneena's Feast | 1 | 0.4-0.4 | 134 | CD | 9780199114085 |
| OSB4 | 2 | Spike Says | 2 | 0.4-0.4 | 92 | CD | 9780199114092 |
| OSB4 | 3 | Wrong Kind of Knight, The | 3 | 0.4-0.4 | 163 | CD | 9780199114108 |
| OSB4 | 4 | Moan, Moan, Moan! | 4 | 0.4-0.4 | 109 | CD | 9780199114115 |
| OSB4 | 5 | Snake and the Drake, The | 5 | 0.4-0.4 | 180 | CD | 9780199114122 |
| OSB4 | 6 | Tadpoles | 6 | 0.4-0.4 | 138 | CD | 9780199114139 |
| OSB5 | -1 | OSB5: Songbirds Stage 5 CD Pack | 0.5-0.5 | 1085 | BD | 9780195976779 | |
| OSB5 | 0 | OSB5: Songbirds Stage 5 | EA | 0.5-0.5 | 1085 | 9780199114160 | |
| OSB5 | 1 | Sue Kangaroo | 1 | 0.5-0.5 | 164 | CD | 9780199114184 |
| OSB5 | 2 | Cinderella Play, The | 2 | 0.5-0.5 | 195 | CD | 9780199114191 |
| OSB5 | 3 | Usman's Books | 3 | 0.5-0.5 | 171 | CD | 9780199114207 |
| OSB5 | 4 | Upside-Down Browns, The | 4 | 0.5-0.5 | 162 | CD | 9780199114214 |
| OSB5 | 5 | Leroy | 5 | 0.5-0.5 | 148 | CD | 9780199114221 |
| OSB5 | 6 | No Milk Today | 6 | 0.5-0.5 | 245 | CD | 9780199114238 |
| OSB6 | -1 | OSB6: Songbirds Stage 6 CD Pack | 0.6-0.6 | 1449 | BD | 9780195976793 | |
| OSB6 | 0 | OSB6: Songbirds Stage 6 Pack | EA | 0.6-0.6 | 1449 | 9780199114269 | |
| OSB6 | 1 | Tara's Party | 1 | 0.6-0.6 | 254 | CD | 9780199114283 |
| OSB6 | 2 | Paula the Vet | 2 | 0.6-0.6 | 278 | CD | 9780199114290 |
| OSB6 | 3 | Where Were You, Bert? | 3 | 0.6-0.6 | 231 | CD | 9780199114306 |
| OSB6 | 4 | Clare and the Fair | 4 | 0.6-0.6 | 195 | CD | 9780199114313 |
| OSB6 | 5 | Deer and the Earwing | 5 | 0.6-0.6 | 207 | CD | 9780199114320 |
| OSB6 | 6 | Jack and the Giants | 6 | 0.6-0.6 | 284 | CD | 9780199114337 |