A complete collection of Secret Sewer Maps, originally released separately in 1990 with Teenage Mutant Ninja Turtles vehicle toy sets from Playmates. Each vehicle in the series came with a unique map, and when the individual pieces were combined, they formed a larger whole.

The following maps are included in this volume:

Secret Sewer Map 1 - Needlenose
Secret Sewer Map 2 - Killer Bee
Secret Sewer Map 3 - Turtle Copter
Secret Sewer Map 4 - Psycho Cycle
Secret Sewer Map 5 - Sewer Dragster
Secret Sewer Map 6 - Mutant Module
Secret Sewer Map 7 - Toilet Taxi
Secret Sewer Map 8 - Sludgemobile

Designed and published by Shining Life Press

Softcover, saddle-stitched, 18 pages, b&w, 5.5 × 8.5 inches