- Go, Otto, go!, story and pictures by David Milgrim
- Poof! a bot!, by David Milgrim
- For Otto, David Milgrim
- Swing, Otto, swing!, story and pictures by David Milgrim
- I'm getting a checkup, by Marilyn Singer ; illustrated by David Milgrim
- Ride, Otto, ride!, David Milgrim
- Look out! a storm!, David Milgrim
- See Otto, David Milgrim
- Come in, Zip!, David Milgrim
- See Pip point, story and pictures by David Milgrim
- See Bip grow!, David Milgrim
- See Santa nap, story and pictures by David Milgrim
- Wild feelings, David Milgrim