Delta Teacher Development Series is a 6-book series with 7 primary works first released in 2009 with contributions by Luke Meddings, Scott Thornbury, Nicky Hockly, Lindsay Clandfield, Debbie Barton, Jennifer Burkart, Caireen Sever, Kyle Mawer, Graham Stanley, Paul Davis, Hanna Kryszewska, Brian Morrison, Diego Navarro, Hugh Dellar, and Andrew Walkley.