Rollo in Paris: An Educational Adventure Through Paris with Young Rollo

I Survived the Nazi Invasion, 1944 (I Survived #9)

Rollo in Geneva: An Educational Adventure in Historic Geneva

One False Note (The 39 Clues, Book 2)

Rollo at Play, Or, Safe Amusements

A Night Divided (Scholastic Gold)

Someone Named Eva

The Black Circle (The 39 Clues, Book 5)

The Butterfly Lion

The Maze of Bones (The 39 Clues, Book 1)

The Medusa Plot (The 39 Clues: Cahills vs. Vespers, Book 1)

The Dead of Night (The 39 Clues: Cahills vs. Vespers, Book 3)

The Star of Kazan

A King's Ransom (The 39 Clues: Cahills vs. Vespers, Book 2)

A Spoonful of Murder

A Proud Taste for Scarlet and Miniver

An Elephant in the Garden