Ready References
A Guide to Backyard Astronomy
Binoculars: Halfway to a Telescope
Choosing Binoculars for Astronomy
Celebrated Variable Stars
Essential Technologies for Making Accurate PC-Based Measurements
Introduction to Partial Differential Equations
Introduction to Object-Oriented Software
Ready References Binoculars: Halfway to a Telescope Choosing Binoculars for Astronomy Essential Technologies for Making Accurate PC-Based Measurements 
