I would agree with whats mentioned above, the best poser 4 book is right here, you are reading it. This book has several advantages, Its written by many specialist and hobby artists able to answer almost any question, not just an author hired to fill 400 odd pages ASAP. Use the manual as your rough guide, then hit the forums for the harder questions. This books interactive too, it'll help guide you, make comments on your work post its own ever chaging gallery of inspirational pieces.