Otis and the Tornado

Runt

Thomas and the Dragon Queen

Otis and the Scarecrow

Thea Stilton and the Madagascar Madness (Thea Stilton #24)

Otis's Busy Day

Miss Rumphius

Otis and The Kittens

What Does Otis See?

The Berenstain Bears Don't Pollute (Anymore)

There's a Hole in the Log on the Bottom of the Lake

"Slowly, Slowly, Slowly," said the Sloth

Otis and the Puppy

An Otis Christmas

The Night Gardener: with audio recording

Superpowers: The Deadly Stink

We Planted a Tree