Astronomy Textbook

Cambridge University Press

Textbook on Spherical Astronomy                  

Astronomy; a Textbook                            

Gravitas Publications, Inc.

Focus On Middle School Astronomy Student Textbook 3rd Edition

Gravitas Publications, Incorporated

Focus On Elementary Astronomy Student Textbook  

Independently published

A Text-Book of Astronomy: A Comprehensive Journey Through the Cosmos (Annotated)

Astronomy 2nd Edition,Textbook only              

Gravitas Publications, Incorporated

Focus On Middle School Astronomy Student Textbook

Legare Street Press

The Elements of Astronomy: A Textbook            

Kessinger Publishing

A Textbook Of Astronomy (1901)                  

Astronomy; a textbook for university and college students.