Ready References
A Guide to Backyard Astronomy
How to Start Right in Astronomy
Choosing Your First Telescope
AAVSO Membership Information
Signal Conditioning and Data Acquisition Basics
Optical Instruments
Fossils and Rocks
Ready References A Guide to Backyard Astronomy How to Start Right in Astronomy Choosing Your First Telescope AAVSO Membership Information 
Signal Conditioning and Data Acquisition Basics 
Optical Instruments Fossils and Rocks