Houghton Mifflin Harcourt

Sort
Filter
cover image of A Killing Frost

A Killing Frost

Tomorrow (Series)

John Marsden Author
(1998)

cover image of Super Coldo

Super Coldo

Hero Academy (Series)

Cas Lester Author
(2020)

cover image of Stop That Mammoth!

Stop That Mammoth!

Hero Academy (Series)

Cas Lester Author
(2020)

cover image of Motel of the Mysteries

Motel of the Mysteries

David Macaulay Author
(1979)

cover image of Are You My Mother?

Are You My Mother?

Alison Bechdel Author
(2012)

cover image of Calling Dr. Laura

Calling Dr. Laura

Nicole J. Georges Author
(2013)

cover image of Barbarian Lord

Barbarian Lord

Matt Smith Author
(2014)

cover image of Lyric McKerrigan, Secret Librarian

Lyric McKerrigan, Secret...

Jacob Sager Weinstein Author
Vera Brosgol Illustrator
(2018)

cover image of A Major Shock

A Major Shock

Hero Academy (Series)

Paul Stewart Author
(2020)

cover image of Ann's Mess

Ann's Mess

Hero Academy (Series)

Alison Hawes Author
(2020)

cover image of Ben Helps

Ben Helps

Hero Academy (Series)

Tim Little Author
(2020)

cover image of Ben to the Rescue

Ben to the Rescue

Hero Academy (Series)

Kate Scott Author
(2020)

cover image of Blast from the Past

Blast from the Past

Hero Academy (Series)

Steve Cole Author
(2020)

cover image of Bunny-Wunny Blockade

Bunny-Wunny Blockade

Hero Academy (Series)

Paul Stewart Author
(2020)

cover image of Cake Chaos

Cake Chaos

Hero Academy (Series)

Sam Watkins Author
(2020)

cover image of Calling All Villains

Calling All Villains

Hero Academy (Series)

Tom McLaughlin Author
(2020)

cover image of Cat Chase

Cat Chase

Hero Academy (Series)

Tim Little Author
(2020)

cover image of Cat in a Cap

Cat in a Cap

Hero Academy (Series)

Tim Little Author
(2020)

cover image of Catnapped

Catnapped

Hero Academy (Series)

Paul Stewart Author
(2020)

cover image of Code Red

Code Red

Hero Academy (Series)

Jo Cotterill Author
(2020)

cover image of Dancing Danger

Dancing Danger

Hero Academy (Series)

Kay Woodward Author
(2020)

cover image of Demolition Danger

Demolition Danger

Hero Academy (Series)

Kay Woodward Author
(2020)

cover image of Dig In!

Dig In!

Hero Academy (Series)

Tim Little Author
(2020)

cover image of Doctor Daze and the Bamboozler

Doctor Daze and the Bamboozler

Hero Academy (Series)

Kay Woodward Author
(2020)

cover image of Doctor Nowhere

Doctor Nowhere

Hero Academy (Series)

Paul Stewart Author
(2020)

cover image of False Alarms

False Alarms

Hero Academy (Series)

Steve Cole Author
(2020)

cover image of Fix That Bell

Fix That Bell

Hero Academy (Series)

Becca Heddle Author
(2020)

cover image of Flag Down!

Flag Down!

Hero Academy (Series)

Deborah Nash Author
(2020)

cover image of Ice Crystal Robbery

Ice Crystal Robbery

Hero Academy (Series)

Chris Parker Author
(2020)

cover image of It Is a Mess!

It Is a Mess!

Hero Academy (Series)

Tim Little Author
(2020)

cover image of It is Freezing

It is Freezing

Hero Academy (Series)

Rachel Russ Author
(2020)

cover image of Jin Can Fly

Jin Can Fly

Hero Academy (Series)

Tim Little Author
(2020)

cover image of Jin Lifts Off

Jin Lifts Off

Hero Academy (Series)

Rachel Russ Author
(2020)

cover image of Max is Stuck

Max is Stuck

Hero Academy (Series)

Tim Little Author
(2020)

cover image of Mr Gleam

Mr Gleam

Hero Academy (Series)

Kay Woodward Author
(2020)

cover image of Mr Squid's Revenge

Mr Squid's Revenge

Hero Academy (Series)

John Dougherty Author
(2020)

cover image of Operation Bubble Wrap

Operation Bubble Wrap

Hero Academy (Series)

Benjamin Hulme-Cross Author
(2020)

cover image of Race for the Meteorite

Race for the Meteorite

Hero Academy (Series)

Paul Stewart Author
(2020)

cover image of Silver Shadow

Silver Shadow

Hero Academy (Series)

Philip Ardagh Author
(2020)

cover image of Silver Shadow Strike Again

Silver Shadow Strike Again

Hero Academy (Series)

Steve Cole Author
(2020)

cover image of Stop, Cat!

Stop, Cat!

Hero Academy (Series)

Tim Little Author
(2020)

cover image of Stuck in the Storm

Stuck in the Storm

Hero Academy (Series)

Becca Heddle Author
(2020)

cover image of Stuck to the Ice

Stuck to the Ice

Hero Academy (Series)

Kate Scott Author
(2020)

cover image of The Champion's Cup

The Champion's Cup

Hero Academy (Series)

Benjamin Scott Author
(2020)

cover image of The Fizzing Mixture

The Fizzing Mixture

Hero Academy (Series)

Tony Bradman Author
(2020)

cover image of The Lost Cat

The Lost Cat

Hero Academy (Series)

Tim Little Author
(2020)

cover image of The Pea-Souper

The Pea-Souper

Hero Academy (Series)

Steve Cole Author
(2020)

cover image of The Protecto

The Protecto

Hero Academy (Series)

Chris Parker Author
(2020)

cover image of The Super Glooper

The Super Glooper

Hero Academy (Series)

Rob Alcraft Author
(2020)

cover image of Up, Up, Down

Up, Up, Down

Hero Academy (Series)

Kate Scott Author
(2020)