An anonymous reader writes "I am an author working on a technical book about an open-source software package. I am looking for a publisher, and I would like to hear experiences from any Slashdot authors. Who are the best publishers to work with and why are they great? Who are the worst publishers in the tech book business, and what nightmare/horror stories can you tell us about them? Any publishing company in particular you recommend avoiding? Any gems of advice (rights reversion, etc.) you can provide for first-time tech book authors?"