Monster Money
Monsters face a dilemma: which pet to buy with just ten cents?
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Monsters face a dilemma: which pet to buy with just ten cents?
Monsters play games, revealing math secrets.
Twelve monsters vanish one by one. Why?
Monsters face a dilemma: which pet to buy with just ten cents?
0
Authored
3
Illustrated
2
Collaborators
Picture books
3
Books published each year, stacked by book type.
The share of the catalog represented by each book type.
3
books
Every title in the Bookroo library, ordered from newest to oldest.
Monsters face a dilemma: which pet to buy with just ten cents?
Monsters play games, revealing math secrets.
Twelve monsters vanish one by one. Why?
Creative company
The authors and illustrators who share the credits across Margaret A. Hartelius's books.