Ready References
A Guide to Backyard Astronomy
Names of the Stars
Names of Deep-Sky Objects
AAVSO Observing Programs
A Great Source of Free Chemicals
Getting Information About Chemicals
The Plundered Past
Ready References A Guide to Backyard Astronomy Names of the Stars Names of Deep-Sky Objects 
AAVSO Observing Programs A Great Source of Free Chemicals Getting Information About Chemicals The Plundered Past