Ready References
A Guide to Backyard Astronomy
Using a Naked-Eye Starmap
Star-Finding With a Planisphere
AAVSO Historical Light Curves
Variable Stars Explained
AAVSO Observing Programs
Notes on the Materials of Research
Ready References A Guide to Backyard Astronomy 
Using a Naked-Eye Starmap Star-Finding With a Planisphere 
AAVSO Historical Light Curves Variable Stars Explained 
AAVSO Observing Programs 
Notes on the Materials of Research