Clifford At The Circus (Clifford 8x8)
A Day at the Circus (Day at . . . Books)
You See a Circus, I See...
Curious George Circus Act (CGTV Lift-the-flap 8x8)
Peter Spier's Circus (A Picture Yearling Book)
Circus Train
If I Ran the Circus (Classic Seuss)
Circus
All Aboard the Circus McGurkus (Dr. Seuss Nursery Collection)
Harold's Circus (Purple Crayon Books)