John Cassidy

31 books

Zap Science: A Scientific Playground in a Book, Zap Tube, 3-D Glasses, Polarization Filter, Zap Pack, Lift & Sniff Patch With Tube, 3-D Glasses, Filt by John Cassidy, Paul Doherty, Pat Murphy

Zap Science: A Scientific Playground in a Book, Zap Tube, 3-D Glasses, Polarization Filter, Zap Pack, Lift & Sniff Patch With Tube, 3-D Glasses, Filt

John Cassidy, Paul Doherty, Pat Murphy

100 pages • 1997

adventurous challenging medium-paced