Go, Otto, Go!: Ready-to-Read Pre-Level 1 (with audio recording)

Pacific Rim Uprising: The Junior Novel

Ben and Holly's Little Kingdom: The Toy Robot Storybook

Some Monsters Are Different

Swing, Otto, Swing!: Ready-to-Read Pre-Level 1 (with audio recording)

Come In, Zip!: Ready-to-Read Ready-to-Go!

Sometimes I Forget You're a Robot

See Bip Grow!: Ready-to-Read Ready-to-Go!

Bob Goes to the Chess Tournament

My Friend Lucky: Ready-to-Read Pre-Level 1

Twinkle, Twinkle, Robot Beep

See Otto Say Hi!: Ready-to-Read Pre-Level 1

Baby Robot Explains... Rocket Science: Big ideas for little learners

See Santa Nap: Ready-to-Read Pre-Level 1 (with audio recording)

Robots Don't Make You Go to Bed: A Picture Book

Poof! A Bot!: Ready-to-Read Ready-to-Go!

Balloon Blast! (Rusty Rivets)

See Otto: Ready-to-Read Pre-Level 1 (with audio recording)

Boy and Bot