The basic textbook employed by the Defense Institute of Security Cooperation Studies (DISCS - formerly DISAM) for instruction of all classes covering the full range of security cooperation activities. The text is revised annually and commonly referred to as the Green Book as it is bound in a green cover.
7938 Passenger Train is a City Trains set released in June 2010. It was sold in the US as a Special Edition set at the LEGO Store and Toys R Us.
There is also the debate on whether or not the new BIONICLE sets should use the LEGO Hero Factory constraction (construction+action) system or a different one. In case you are not aware, in 2011 LEGO completely changed their action-figure system.