Nancy E. Krulik (Author), John & Wendy (Illustrator)
Quiet on the Set! (Katie Kazoo, Switcheroo No.10)
Witch Switch: Super Special (Katie Kazoo, Switcheroo)
A Katie Kazoo Christmas (Katie Kazoo, Switcheroo: Super Super Special)
Who's Afraid of Fourth Grade? (Katie Kazoo, Switcheroo: Super Special)
Bad Rap (Katie Kazoo, Switcheroo No. 16)
Love Stinks! (Katie Kazoo, Switcheroo, No. 15)
Friends for Never (Katie Kazoo, Switcheroo #14)
No Bones About It #12 (Katie Kazoo, Switcheroo)
No Messin' With My Lesson (Katie Kazoo, Switcheroo No. 11)
Out to Lunch #2 (Katie Kazoo, Switcheroo)
Any Way You Slice It (Katie Kazoo, Switcheroo #9)
Doggone It (Katie Kazoo, Switcheroo No. 8)
Drat! You Copycat! #7 (Katie Kazoo, Switcheroo)
Get Lost! #6 (Katie Kazoo, Switcheroo)
I Hate Rules! #5 (Katie Kazoo, Switcheroo)
Girls Don't Have Cooties #4 (Katie Kazoo, Switcheroo)
Oh, Baby! #3 (Katie Kazoo, Switcheroo)
On Your Mark, Get Set, Laugh! (Katie Kazoo, Switcheroo No. 13)