HarperCollins

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cover image of The Seventh Level

The Seventh Level

Jody Feldman Author
(2010)

cover image of The Secret Zoo

The Secret Zoo

The Secret Zoo (Series)

Bryan Chick Author
(2010)

cover image of Now Entering Addamsville

Now Entering Addamsville

Francesca Zappia Author
Francesca Zappia Illustrator
(2019)

cover image of Riddles and Danger

Riddles and Danger

The Secret Zoo (Series)

Bryan Chick Author
(2011)

cover image of Traps and Specters

Traps and Specters

The Secret Zoo (Series)

Bryan Chick Author
(2012)

cover image of Archer's Goon

Archer's Goon

Diana Wynne Jones Author
(2012)

cover image of The Secret of the Rose

The Secret of the Rose

Sarah L. Thomson Author
(2010)

cover image of More True Lies

More True Lies

True Lies (Series)

George Shannon Author
John O'Brien Illustrator
(2010)

cover image of The Bones in the Cliff

The Bones in the Cliff

The Bones in the Cliff (Series)

James Stevenson Author
(2011)

cover image of The Frame-Up

The Frame-Up

Wendy McLeod MacKnight Author
Ian Schoenherr Illustrator
(2018)

cover image of Secrets and Shadows

Secrets and Shadows

The Secret Zoo (Series)

Bryan Chick Author
(2011)

cover image of The Writing on the Wall

The Writing on the Wall

Do the Math (Series)

Wendy Lichtman Author
(2009)

cover image of The Mud Flat Mystery

The Mud Flat Mystery

Mud Flat Friends (Series)

James Stevenson Author
James Stevenson Illustrator
(2011)

cover image of The Half-a-Moon Inn

The Half-a-Moon Inn

Paul Fleischman Author
Kathryn Jacobi Illustrator
(2013)

cover image of The Unprotected Witness

The Unprotected Witness

The Bones in the Cliff (Series)

James Stevenson Author
Edwina Stevenson Illustrator
(2011)

cover image of Shoddy Cove

Shoddy Cove

Betty Levin Author
(2010)

cover image of Secrets, Lies, and Algebra

Secrets, Lies, and Algebra

Do the Math (Series)

Wendy Lichtman Author
(2009)

cover image of Island Bound

Island Bound

Betty Levin Author
(2010)

cover image of Raids and Rescues

Raids and Rescues

The Secret Zoo (Series)

Bryan Chick Author
(2013)

cover image of Secret Zoo 5-Book Collection

Secret Zoo 5-Book Collection

Secret Zoo (Series)

Bryan Chick Author
(2014)

cover image of The Copycat

The Copycat

Wendy McLeod MacKnight Author
(2020)

cover image of Long Lost

Long Lost

Jacqueline West Author
(2021)

cover image of The Final Fight

The Final Fight

Secret Zoo (Series)

Bryan Chick Author
(2023)

cover image of Waking the Dead and Other Fun Activities

Waking the Dead and Other Fun...

Casey Lyall Author
(2024)