4 LEGO Mindstorms Reference Programming Books 1). Building Robots with LEGO Mindstorms NXT (Softcover, 2007) 2). The LEGO Mindstorms NXT 2.0 Discovery Book (Softcover, 2010) 3). The Art of LEGO Mindstorms NXT-G Programming (Softcover, 2010) 4). LEGO Mindstorms NXT One-Kit Wonders (Softcover, 2009) See pictures Pickup in Langford Cross posted