I have just posted a new (and very positive) review of The Sorcerer's Secrets: Strategies in Practical Magic, the latest book by Jason Miller, on Amazon.com. Jason is also the author of the highly-recommended Protection & Reversal Magic: A Witch's Defense Manual (Beyond 101) and is one of the few writers today offering solid, down-to-earth practical advice on magic for magicians. His work is the antithesis of fluffy: it's no-nonsense stuff which will help aspiring sorcerers to break out of the trap of talking about magic without ever accomplishing any.
Jason's material is accessible to intelligent newcomers but also contains plenty of thought-provoking material for more experienced folks. His work is a purgative to all the pablum and silliness which clogs so many occult bookshelves and a ward against those who would turn sorcery into mental masturbation and wooly-headed thinking. If you haven't read any of his books yet, you owe it to yourself to pick them up.