The Ultimate Guide to Homeschooling: Debra Bell
The McGraw-Hill Homeschooling Companion: Laura Saba & Julie Gattis
The Homeschooling Book of Answers: Linda Dobson
The Well-Trained Mind: Susan Wise Bauer
A Charlotte Mason Education: Catherine Levison
How They Learn (or any of his titles): John Holt
Better Late Than Early (or other titles): Raymond and Dorothy More
The Unschooling Handbook: Mary Griffith
What Your [xth] Grader Needs to Know: E.D. Hirsch
Home Learning Year by Year: Rebecca Rupp