We have been using the Lego Mindstorms NXT 2.0 Discovery Book: A beginner's guide to building and programming robots By Laurens Valk. Go to the website for updates, errata (corrections to the book), downloadable programmes, hints for solving the discoveries, contests and more. Be sure to visit the website's forum if you have questions about the book and to share your discoveries with the world.

RoboCup

New Zealand's RoboCup website and Video examples of Rescue, Dance and Soccer.

RoboCup Junior Australia and Programming Examples to download.

RoboCup Junior Rescue 2011 Blog - place to ask questions, pick up ideas.

Junior - RoboCup Federation Wiki - organisation, rules and other information.

RoboCup Junior Rescue A Challenge Rules

First Lego League (FLL)

Official First Lego League website

New Zealand's FLL website

FLL 2010 Body Forward Missions and points values described. (YouTube video)