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Penguin Core Concepts

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Related Series: The 39 Clues: Doublecross
The Penguin Core Concepts book series by multiple authors includes books Terrific Trains, Hard Hat Zone, Pins and Needles Share a Dream, and several more. See the complete Penguin Core Concepts series book list in order, box sets or omnibus editions, and companion titles.
17 Books
Terrific Trains - Book of the Penguin Core Concepts

Terrific Trains

Dennis R. Shealy
From $6.39
Hard Hat Zone - Book of the Penguin Core Concepts

Hard Hat Zone

Theo Baker
From $5.29
Pins and Needles Share a Dream - Book of the Penguin Core Concepts

Pins and Needles Share a Dream

Stephen Krensky
From $12.69
Pins and Needles - Book of the Penguin Core Concepts

Pins and Needles

Stephen Krensky
From $7.49
Warning: Wild Weather Ahead - Book of the Penguin Core Concepts

Warning: Wild Weather Ahead

Theo Baker
From $5.89
Rattler - Book of the Penguin Core Concepts

Rattler

Mary Batten
From $14.19
Helicopters - Book of the Penguin Core Concepts

Helicopters

Nick Confalone, Chelsea Confalone
From $7.39
Worm Weather - Book of the Penguin Core Concepts

Worm Weather

Jean Taft
From $6.39
George Ferris, What a Wheel! - Book of the Penguin Core Concepts

George Ferris, What a Wheel!

Barbara Lowell
From $5.39
Foreman Farley Has a Backhoe - Book of the Penguin Core Concepts

Foreman Farley Has a Backhoe

Jenny Goebel
From $4.39
Fly, Butterfly - Book of the Penguin Core Concepts

Fly, Butterfly

Bonnie Bader
From $6.59
The Firefighter - Book of the Penguin Core Concepts

The Firefighter

Jenny Goebel
From $4.89
Hummingbirds - Book of the Penguin Core Concepts

Hummingbirds

Bonnie Bader
From $5.29
Spin - Book of the Penguin Core Concepts

Spin

Rebecca Janni
From $5.19
Fine Life for a Country Mouse - Book of the Penguin Core Concepts

Fine Life for a Country Mouse

Susan Detwiler
From $9.99
Elephant Twins - Book of the Penguin Core Concepts

Elephant Twins

Richard Sobol
From $6.99
Foreman Frankie Is Handy - Book of the Penguin Core Concepts

Foreman Frankie Is Handy

Jenny Goebel
From $9.69
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