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

Moo Dog

The Adventures of Otto Collector's Set (Boxed Set): See Otto; See Pip Point; Swing, Otto, Swing!; See Santa Nap; Ride, Otto, Ride!; Go, Otto, Go!

Look Out! a Storm!: Ready-To-Read Pre-Level 1

Poof! a Bot!: Ready-To-Read Ready-To-Go!