EdHelper Lots and lots of lessons and handouts, especially for reading and math.
RHL School A source of worksheets in the areas of reading comprehension, English basics, math problem solving and computation,
research skills that can be used as part of a lesson. Choose carefully to make sure they are adult-appropriate.
Personal Educational Press
Print flashcards, word lists, study sheets, quizzes, etc. for topics including Science, Math, Reading, Writing, Geography, U.S. Government, Spanish, and French as well as math facts.
Seven Kinds of Smart by Thomas Armstrong. Plume Division of Penguin Books, 1993. This is a very readable explanation of
John Gardner's Theory of Multiple Intelligences Theory and many suggestions for putting this theory into practice with adult learners.