10 books • 2 series
What Happens Next?: Newsroom Nonsense (What Happens Next)
What Happens Next?: Science Fair Frenzy (What Happens Next)
Talent Show Troubles (What Happens Next)
10 Little Monsters Visit California, Second Edition (10 Little Monsters)
Let′s Make Comics!
12 Little Elves Visit Texas
10 Little Monsters Visit New York City
12 Little Elves Visit Washington
Upside Down (Book Two): A Hat Full of Spells
Upside Down: A Vampire Tale