Solar Astronomy Handbook
Solving Kepler's Equation
Star Clusters
Star Testing Astronomical Telescopes, 2nd Edition
SYNOPSYS Supplement to Joseph M. Geary's Introduction to Lens Design
Telescope Control
Telescope Optics - A comprehensive Manual for Amateur Astronomers
Telescopes, Eyepieces and Astrographs
Test Chart - Polar Region
Test Constellation Chart - Equatorial Region
Test Constellation Chart - Equatorial Region (Epoch 0)
Test Constellation Chart - North Circumpolar Region
Test Constellation Chart - South Circumpolar Region
Test Star Chart - Ecliptic Map
The Dobsonian Telescope
The Great 2024 Eclipse Guide (International)
The Great 2024 Eclipse Guide (U.S. only)
The Orrery
The Year-Round Messier Marathon
Transits
Uranometria 2000.0 Atlas - Deep Sky Field Guide
Uranometria 2000.0 Deep Sky Atlas All Sky Edition (pole to pole coverage)