Their publisher services include all sorts of printed books, e-books, photo books, calendars, CD's, DVD's, Cookbooks, Poetry, yearbooks, etc.
Lulu.com offers a full range professional services for authors, including editorial, design, cover design, marketing, ISBN number assignment, product delivery through amazon.com, etc. It's rather comprehensive and they've been at it for a few years.
Their e-book publishing package appears to be fairly new. It is a "wizard" that lets you convert an uploaded book into EPUB format and a few other important bits of data, then submit to Apple's iBookstore. There's no word on the site of working with Amazon's Kindle bookstore, nor the other EPUB marketplaces.