The Terrible Twos(Kobo/電子書)

Bane Drain(Kobo/電子書)

Peter Powers and the Sinister Snowman Showdown!(Kobo/電子書)

Peter Powers and the League of Lying Lizards!(Kobo/電子書)

Rube Goldberg and His Amazing Machines(Kobo/電子書)

Peter Powers and His Not-So-Super Powers!(Kobo/電子書)

Engine of Change (Rube Goldberg and His Amazing Machines #3)(Kobo/電子書)

Grow Up, Ant-Man!(Kobo/電子書)

Peter Powers and the Itchy Insect Invasion!(Kobo/電子書)

Peter Powers and the Rowdy Robot Raiders!(Kobo/電子書)

The New Switcheroo (Rube Goldberg and His Amazing Machines #2)(Kobo/電子書)