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John R Percy
John R Percy is the author of "Understanding Variable Stars" and "Teaching and Learning Astronomy".
Books by John R Percy
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Teaching and Lear...
Pasachoff, Jay M.
Paperback:
$59.99
Understanding Var...
Percy, John R.
Electronic book text:
Understanding Var...
Percy, John R.
Digital download and online:
$165.00
Teaching and Lear...
Pasachoff Jay M.
Hardback:
Understanding Var...
Percy, John R.
Paperback:
$64.99
Understanding Var...
Percy, John R.
Hardback:
Teaching and Lear...
Pasachoff Jay M.
Hardback:
$151.00
Understanding Var...
Percy, John R.
Hardback:
$147.00
Understanding Var...
Percy, John R.
Electronic book text:
$150.00
Understanding Var...
Percy, John R.
Paperback:
Teaching and Lear...
Pasachoff, Jay M.
Paperback:
Understanding Var...
Percy, John R.
Electronic book text:
$125.00