Peter L. Manly

title	ISBN-13 (ISBN-10)	year of publica- tion
The 20-cm Schmidt-Cassegrain Telescope: A Practical Observing Guide	978-0-521-64441-9 (0-521-64441-0)	1999
Unusual Telescopes	978-0-521-48393-3 (0-521-48393-X)	1995