- Universal Workshop
- www.universalworkshop.com
- The annual "Astronomical Calendar" and other books by Guy Ottewell, a number of which are on astronomical subjects.
3.5
(si*)
>10
-
5
- Marcia Bartusiak
- www.marciabartusiak.com
- Descriptions of author books, listings of her reviews, biographical information, and e-mail contact.
3.4
(si*)
>10
-
5
- PhilHarrington.net
- www.philharrington.net
- A site devoted to helping amateur astronomers get more enjoyment out of their hobby. Includes advice on purchasing and using equipment as well as products.
3.3
(si*)
>10
<5
4
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