Ready References
A Guide to Backyard Astronomy
Using a Naked-Eye Starmap
Star-Finding With a Planisphere
AAVSO Historical Light Curves
Stepper Servo Motors
Laboratory Optical Work
A Naturalist's Notebook
Ready References A Guide to Backyard Astronomy 
Using a Naked-Eye Starmap Star-Finding With a Planisphere 
AAVSO Historical Light Curves Stepper Servo Motors 
Laboratory Optical Work 
A Naturalist's Notebook