CUP: Captain Underpants by Dav Pilkey
| Series | Title | YL | Words |
| Captain Underpants #1 | #001 Adventures of Captain Underpants, The | 2.8-4.5 | 5,731 |
| Captain Underpants #2 | #002 Attack of the Talking Toilets | 2.8-4.5 | 5,595 |
| Captain Underpants #3 | #003 Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space | 2.8-4.5 | 4,668 |
| Captain Underpants #4 | #004 Perilous Plot of Professor Poopypants, The | 2.8-4.5 | 5,582 |
| Captain Underpants #5 | #005 Wrath of the Wicked Wedgie Woman, The | 2.8-4.5 | 7,389 |
| Captain Underpants #6 | #006 Big, Bad Battle of the Bionic Booger Boy: Part 1 | 2.8-4.5 | 7,560 |
| Captain Underpants #7 | #007 Big, Bad Battle of the Bionic Booger Boy Part 2 | 2.8-4.5 | 8,531 |
| Captain Underpants #8 | #008 Preposterous Plight of the Purple Potty People, The | 2.8-4.5 | 7,177 |
| Captain Underpants #9 | #009 Captain Underpants: Cptn Underpants And The Terrifying Return of Tippy Tinkletrousers | 2.8-4.5 | 17,957 |
| Captain Underpants #10 | #010 Tyrannical Retaliation of the Turbo Toilet 2000, The | 2.8-4.5 | 12,145 |
| Captain Underpants #11 | #011 Revolting Revenge of the Radioactive Robo-boxers, The | 2.8-4.5 | 12,515 |
| Captain Underpants #12 | #012 Sensational Saga of Sir Stinks-A-Lot, The | 2.8-4.5 | 10,186 |