Jack Sommer

2 books

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

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

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

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