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Jack Sommer

2 books

Astronomy: The Heavenly Challenge; Science and Discovery: Science and Discovery by Science and Discovery, Jack Sommer, Edwin Newman, Mike Hassell
Astronomy: The Heavenly Challenge; Science and Discovery: Science and Discovery
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Science and Discovery, Jack Sommer, Edwin Newman, Mike Hassell

Astronomy: The Heavenly Challenge; Science and Discovery: Science and Discovery

Science and Discovery, Jack Sommer, Edwin Newman, Mike Hassell

missing duration info • audio

challenging informative medium-paced
Natural Science and the Planet Earth by Jack Sommer

Natural Science and the Planet Earth

Jack Sommer

2 hours, 57 minutes • audio

nonfiction history science informative medium-paced