CER: Cambridge English Readers
| Series | Title | YL | Words |
| CER0 | Arman's Journey | 1.0 | 2,454 |
| CER0 | Big Hair Day | 1.0 | 2,071 |
| CER0 | Black Pearls, The | 1.0 | 2,569 |
| CER0 | Book Boy | 1.0 | 2,575 |
| CER0 | Death in Oxford, A | 1.0 | 2,581 |
| CER0 | Dirty Money | 1.0 | 2,000 |
| CER0 | Girl at the Window, The | 1.0 | 2,187 |
| CER0 | Let Me Out! | 1.0 | 2,000 |
| CER0 | Penang File, The | 1.0 | 2,000 |
| CER0 | What a Lottery! | 1.0 | 2,127 |
| CER0 | Why? | 1.0 | 2,143 |
| CER1 | Bad Love | 1.4 | 3,700 |
| CER1 | Big Picture, The | 1.4 | 4,200 |
| CER1 | Blood Diamonds | 1.4 | 4,900 |
| CER1 | Caribbean File, The | 1.4 | 4,188 |
| CER1 | Don't Stop Now! | 1.4 | 4,553 |
| CER1 | Help! | 1.4 | 4,600 |
| CER1 | Hotel Casanova | 1.4 | 3,700 |
| CER1 | Inspector Logan | 1.4 | 4,200 |
| CER1 | John Doe | 1.4 | 4,500 |
| CER1 | Just Like a Movie | 1.4 | 4,000 |
| CER1 | Next Door to Love | 1.4 | 4,500 |
| CER1 | Parallel | 1.4 | 4,100 |
| CER1 | Ten Long Years | 1.4 | 4,334 |
| CER1 | Three Tomorrows | 1.4 | 4,700 |
| CER2 | Apollo's Gold | 2.6 | 8,991 |
| CER2 | Bad Company | 2.6 | 9,493 |
| CER2 | Circle Games | 2.6 | 9,600 |
| CER2 | Dark Side Of The City, The | 2.6 | 9,572 |
| CER2 | Dead Cold | 2.6 | 9,545 |
| CER2 | Different Worlds | 2.6 | 8,650 |
| CER2 | Double Bass Mystery, The | 2.6 | 8,392 |
| CER2 | Jojo's Story | 2.6 | 9,100 |
| CER2 | Logan's Choice | 2.6 | 9,660 |
| CER2 | Man from Nowhere, The | 2.6 | 8,410 |
| CER2 | New Zealand File, The | 2.6 | 10,152 |
| CER2 | One Day | 2.6 | 9,726 |
| CER2 | Picture to Remember, A | 2.6 | 9,749 |
| CER2 | Superbird | 2.6 | 8,400 |
| CER2 | Within High Fences | 2.6 | 7,659 |
| CER3 | Beast, The | 3.6 | 13,886 |
| CER3 | Double Cross | 3.6 | 14,950 |
| CER3 | Eye of the Storm, The | 3.6 | 14,146 |
| CER3 | House by the Sea, The | 3.6 | 15,919 |
| CER3 | How I Met Myself | 3.6 | 12,597 |
| CER3 | Ironing Man, The | 3.6 | 14,923 |
| CER3 | Just Good Friends | 3.6 | 16,000 |
| CER3 | Lahti File, The | 3.6 | 14,000 |
| CER3 | No Place to Hide | 3.6-3.8 | 15,212 |
| CER3 | Not Above the Law | 3.6-3.8 | 15,197 |
| CER3 | Puzzle for Logan, A | 3.6 | 16,000 |
| CER3 | Strong Medicine | 3.6 | 13,720 |
| CER3 | Tales of Supernatural | 3.6 | 15,814 |
| CER3 | Two Lives | 3.6 | 14,404 |
| CER3 | Wild Country | 3.6 | 15,144 |
| CER4 | Amsterdam Connection, The | 4.5 | 19,110 |
| CER4 | Berlin Express | 4.5 | 20,817 |
| CER4 | But Was It Murder? | 4.5 | 17,000 |
| CER4 | Fruitcake Special and Other Stories, The | 4.5 | 18,036 |
| CER4 | High Life, Low Life | 4.5 | 18,000 |
| CER4 | In the House | 4.5 | 20,187 |
| CER4 | Lady in White, The | 4.5 | 20,964 |
| CER4 | Love in the Lakes | 4.5 | 19,502 |
| CER4 | Man Hunt | 4.5 | 20,497 |
| CER4 | Matter of Chance, A | 4.5 | 17,892 |
| CER4 | Nothing But the Truth | 4.5 | 19,986 |
| CER4 | Staying Together | 4.5 | 19,000 |
| CER4 | University Murders, The | 4.5 | 18,691 |
| CER4 | When Summer Comes | 4.5 | 21,914 |
| CER5 | All I Want | 5.5 | 24,318 |
| CER5 | Better Late Than Never | 5.5-6.0 | 24,595 |
| CER5 | Death in the Dojo | 5.5 | 20,873 |
| CER5 | Dolphin Music | 5.5 | 23,608 |
| CER5 | Dragons' Eggs | 5.5-6.0 | 25,405 |
| CER5 | East 43rd Street | 5.5 | 22,502 |
| CER5 | Emergency Murder | 5.5 | 20,514 |
| CER5 | Forget to Remember | 5.5 | 24,999 |
| CER5 | In the Shadow of the Mountain | 5.5 | 22,483 |
| CER5 | Jungle Love | 5.5 | 23,442 |
| CER5 | Murder by Art | 5.5 | 21,700 |
| CER5 | Sugar Glider, The | 5.5 | 22,922 |
| CER5 | Tangled Web, A | 5.5 | 25,813 |
| CER5 | Windows of the Mind | 5.5 | 26,000 |
| CER6 | Best of Times, The | 6.0 | 31,120 |
| CER6 | Dangerous Sky, A | 6.0 | 29,276 |
| CER6 | Deadly Harvest | 6.0 | 27,097 |
| CER6 | Frozen Pizza and Other Slices of Life | 6.0 | 26,463 |
| CER6 | He Knows Too Much | 6.0 | 29,535 |
| CER6 | Love for Life, A | 6.0 | 28,441 |
| CER6 | Murder Maker | 6.0 | 28,213 |
| CER6 | Nelson's Dream | 6.0 | 29,299 |
| CER6 | Solo Saxophone | 6.0 | 29,629 |
| CER6 | This Time It's Personal | 6.0 | 26,043 |
| CER6 | Trumpet Voluntary | 6.0 | 29,451 |
| CER6 | Way Home, The | 6.0 | 30,447 |