The Unofficial Guide to Lego Mindstorms Robots Hands-on guide to getting the most out of your robot building experience. It goes far beyond the stuff you get in the Robotics Invention System. The book includes five construction projects. The book also contains pointers to many Internet resources, a list of places to get parts, and instructions for how to build your own sensors. Copyright -- 1999 Published by -- O’Reilly # Pages -- 247 - illustrated pages ISBN: -- 1565926927 Format -- Paperback Language -- English Subject -- Legos Country/Region of Manufacture -- United States Condition: Spine creases: No Cover Creases: One on the front cover Interior Writings: Name written on title page Page condition: No large dog-eared corners but many soft/bumped corners Condition: -- The book is in good ‘used’ condition having some soft corner tips and a slight crease on front cover, there is a name written on the title page. There is a black slash mark on the bottom page ends. Shipping: USPS Priority Mail for most items, Media Mail for books, First Class for items weighing less than 13 ounces. All prices are calculated rates to the buyers zip code using weight of carton that was figured using an electronic scale. Buyer may request and I would check for alternative shipping methods for possible savings. Handling Time: Mostly next day, if not then within 2 days of receiving payment. Spring brings with it outdoor duties that require my attention and I don't always get items shipped immediately, but will always do my best and will inform buyer if there is a delay. Returns: 14 day only, buyer pays return postage. No partial refunds or returns, all items sold must be returned, all sealed items must still be sealed. Of course I am always happy to discuss problems should they occur. Combined Items: Will combine if not fragile or creates over-sized box