{"first_sentence": {"type": "/type/text", "value": "Before you enter the world of LEGO robotics, there are some basic geometric properties of the LEGO bricks we want to be sure you know and understand."}, "physical_format": "Paperback", "subtitle": "The Ultimate Tool for Mindstorms Maniacs", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 08:14:56.482104"}, "weight": "2 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Syngress"], "number_of_pages": 656, "isbn_13": ["9781928994671"], "id": 11888941, "edition_name": "1 edition", "isbn_10": ["1928994679"], "publish_date": "December 15, 2001", "key": "/b/OL8778519M", "authors": [{"key": "/a/OL3093356A"}, {"key": "/a/OL2305411A"}, {"key": "/a/OL3074659A"}], "title": "Building Robots With Lego Mindstorms ", "type": {"key": "/type/edition"}, "subjects": ["Video & Electronic - General", "Programming Languages - General", "Hardware - Personal Computers - General", "Computer Games", "Microcomputer Programming", "Robots", "Games", "Technology & Industrial Arts", "Programming", "Games/Puzzles", "Science/Mathematics", "Popular works", "LEGO toys", "Robotics", "Computers / Computer Engineering", "Computers/Programming Languages - General", "Technology / Robotics", "Engineering - Mechanical", "Design and construction"], "physical_dimensions": "8.7 x 6.7 x 1.8 inches", "revision": 1}