For MUSIC 20 theory series:
Tonal Harmony 6th Edition SET by Kostka and Payne (including the workbook and CD's) - $60

For MUSIC 40 history series:
Anthology for Music in Western Civilization by Wright and Simms (including supplementary Vol. I, II books) - $80

MISC:
Strunk's Source Readings in Music History Volume 4 "The Baroque Era" - $15
Tchaikovsky: the man and his music by David Brown - $17
Monteverdi's Musical Theatre by Tim Carter (Hardcover) - $23
Music in the Western World, a history in documents 2nd Edition Selected and Annotated by Weiss and Taruskin - $50
Liszt A Listener's Guide by John Bell Young - $15

All of these textbooks and books are in "like new" condition with absolutely no markings and very, very light wear on the edges.