*PreSale* Interstellarum Deep Sky Guide - Field Edition
*PreSale* Interstellarum Deep Sky Guide - Desk Edition
*PreSale* Interstellarum Deep Sky Atlas – Desk Edition
*PreSale* Duplex Moon Atlas Deluxe
Advanced Observing: Visual Mysteries of the Universe, Vol. 3
Advanced Observing: Visual Mysteries of the Universe, Vol. 2
Advanced Observing: Visual Mysteries of the Universe, Vol. 1
Annals of the Deep Sky Volume 11
Magnificent Aurora
Annals of the Deep Sky Volume 10
Annals of the Deep Sky Volume 9
The Year-Round Messier Marathon
Uranometria 2000.0 Deep Sky Atlas All Sky Edition (pole to pole coverage)
The Orrery
Telescopes, Eyepieces and Astrographs
Telescope Optics - A comprehensive Manual for Amateur Astronomers
Telescope Control
SYNOPSYS Supplement to Joseph M. Geary's Introduction to Lens Design
Star Testing Astronomical Telescopes, 2nd Edition
Star Clusters
Solving Kepler's Equation
Portable Newtonian Telescopes
Planetary Programs and Tables -4000 to +2800
Photoshop Astronomy, 2nd Edition
