Presenting the ultimate guide to IDW's TMNT comics universe! Spanning over 14 years and 250 issues, from the ongoing series to multiple miniseries, IDW's Teenage Mutant Ninja Turtles universe makes up a world full of unforgettable characters, storylines, and locations! This sourcebook aims to help guide readers through it all with information about characters' histories and important story points, plus the significance of multiple locations and dimensions, all accompanied by beautiful illustrations from the myriad of talented artists that have worked on the series over the years.