Another good text for Art History based instruction is "Art in Focus" by Gene
A. Mittler, ISBN 0-02-662313-7 Teacher's Edition, ISBN 0-02-662312-9
Student's Edition, published by Glencoe, Macmillan/McGraw-Hill, 800 334-7344.
This is a discipline based textbook and you can get all sorts of resource and
teaching materials, lesson plans, study guides, tests, studio projects,
transparencies, etc. to go along with the text.