ORTE: ORT Explore with Biff, Chip and Kipper published from OUP
| Series | Title | YL | Word Count |
Genre |
| ORTE1 | Explore with Biff, Chip and Kipper: Level 1: Mixed Pack of 6 | 0.0 | 17 | |
| ORTE1 | Tin Can Tracks | 0.0 | 3 | Fiction |
| ORTE1 | Animal Tracks | 0.0 | 2 | Non-Fiction |
| ORTE1 | In the Sun | 0.0 | 3 | Fiction |
| ORTE1 | Sun Hat, Sunscreen, Sun! | 0.0 | 4 | Non-Fiction |
| ORTE1 | Big! | 0.0 | 1 | Fiction |
| ORTE1 | As Big As Me! | 0.0 | 4 | Non-Fiction |
| ORTE1+ | Explore with Biff, Chip and Kipper: Level 1+: Mixed Pack of 6 | 0.2 | 315 | |
| ORTE1+ | A Top Pot | 0.2 | 52 | Fiction |
| ORTE1+ | Spot the Pot | 0.2 | 63 | Non-Fiction |
| ORTE1+ | A Picnic at Sunset | 0.2 | 48 | Fiction |
| ORTE1+ | At Sunset | 0.2 | 53 | Non-Fiction |
| ORTE1+ | Kite in the Wind | 0.2 | 47 | Fiction |
| ORTE1+ | In the Wind | 0.2 | 52 | Non-Fiction |
| ORTE2 | Explore with Biff, Chip and Kipper: Level 2: Mixed Pack of 6 | 0.3 | 712 | |
| ORTE2 | The Big Picnic | 0.3 | 105 | Fiction |
| ORTE2 | Grow Me a Picnic | 0.3 | 115 | Non-Fiction |
| ORTE2 | A Den in the Wood | 0.3 | 124 | Fiction |
| ORTE2 | Dens and Nests | 0.3 | 120 | Non-Fiction |
| ORTE2 | Cards for Gran | 0.3 | 117 | Fiction |
| ORTE2 | Frog Cards | 0.3 | 131 | Non-Fiction |
| ORTE3 | Explore with Biff, Chip and Kipper: Level 3: Mixed Pack of 6 | 0.4 | 876 | |
| ORTE3 | Home for a Night | 0.4 | 161 | Fiction |
| ORTE3 | The Right Home | 0.4 | 141 | Non-Fiction |
| ORTE3 | Is That Rain? | 0.4 | 161 | Fiction |
| ORTE3 | Rain! | 0.4 | 138 | Non-Fiction |
| ORTE3 | Pumpkin Mess | 0.4 | 142 | Fiction |
| ORTE3 | Grow a Strawberry Mess | 0.4 | 133 | Non-Fiction |
| ORTE4 | Explore with Biff, Chip and Kipper: Level 4: Mixed Pack of 6 | 0.5 | 1,286 | |
| ORTE4 | The Mosaic Trail | 0.5 | 236 | Fiction |
| ORTE4 | Mosaic Art | 0.5 | 195 | Non-Fiction |
| ORTE4 | The Stinky Plant | 0.5 | 225 | Fiction |
| ORTE4 | Plants for Dinner | 0.5 | 202 | Non-Fiction |
| ORTE4 | A Dress for Biff | 0.5 | 239 | Fiction |
| ORTE4 | Dressing Up | 0.5 | 189 | Non-Fiction |
| ORTE5 | Explore with Biff, Chip and Kipper: Level 5: Mixed Pack of 6 | 0.6 | 1,798 | |
| ORTE5 | Camel-Back Mountain | 0.6 | 314 | Fiction |
| ORTE5 | Highest Mountain, Deepest Canyon | 0.6 | 318 | Non-Fiction |
| ORTE5 | The Treasure Map | 0.6 | 301 | Fiction |
| ORTE5 | Map, Compass, Explore! | 0.6 | 303 | Non-Fiction |
| ORTE5 | The Strange Beast | 0.6 | 291 | Fiction |
| ORTE5 | Beast Feasts | 0.6 | 271 | Non-Fiction |
| ORTE6 | Explore with Biff, Chip and Kipper: Level 6: Mixed Pack of 6 | 0.7 | 2,653 | |
| ORTE6 | Grub Up | 0.7 | 423 | Fiction |
| ORTE6 | Minibeasts Matter! | 0.7 | 453 | Non-Fiction |
| ORTE6 | Seeing in the Dark | 0.7 | 395 | Fiction |
| ORTE6 | Super Senses | 0.7 | 454 | Non-Fiction |
| ORTE6 | The Steam Train | 0.7 | 439 | Fiction |
| ORTE6 | Faster, Faster! | 0.7 | 489 | Non-Fiction |
| ORTE7 | Explore with Biff, Chip and Kipper: Level 7: Mixed Pack of 6 | 0.8 | 5,005 | |
| ORTE7 | A Mammoth Task | 0.8 | 812 | Fiction |
| ORTE7 | Extinct Giants | 0.8 | 826 | Non-Fiction |
| ORTE7 | The Lightning Key | 0.8 | 814 | Fiction |
| ORTE7 | Safe in a Storm | 0.8 | 825 | Non-Fiction |
| ORTE7 | Survival in the Arctic | 0.8 | 804 | Fiction |
| ORTE7 | What Do We Need to Survive? | 0.8 | 924 | Non-Fiction |
| ORTE8 | Explore with Biff, Chip and Kipper: Level 8: Mixed Pack of 6 | 0.9 | 6,272 | |
| ORTE8 | The Urgent Message | 0.9 | 987 | Fiction |
| ORTE8 | Smoke Signals to Smartphones | 0.9 | 1,144 | Non-Fiction |
| ORTE8 | Meeting Mozart | 0.9 | 1,016 | Fiction |
| ORTE8 | Meet a Genius | 0.9 | 1,096 | Non-Fiction |
| ORTE8 | At the Monster Games | 0.9 | 967 | Fiction |
| ORTE8 | Animal Superpowers | 0.9 | 1,062 | Non-Fiction |
| ORTE9 | Explore with Biff, Chip and Kipper: Level 9: Mixed Pack of 6 | 1.0 | 7,470 | |
| ORTE9 | Sculptures for the Emperor | 1.0 | 1,194 | Fiction |
| ORTE9 | Stone Sculptures to Frozen Figures | 1.0 | 1,167 | Non-Fiction |
| ORTE9 | Wake Up! | 1.0 | 1,248 | Fiction |
| ORTE9 | Sleep | 1.0 | 1,317 | Non-Fiction |
| ORTE9 | Turtle Beach | 1.0 | 1,238 | Fiction |
| ORTE9 | Rock Pool to Rainforest | 1.0 | 1,306 | Non-Fiction |