This book by Circle Track cover specific areas related to IMCA's (Aussie AMCA) including J-Bar Technology, Tyre Pressure and Stagger, Coil overs and Shocks and more, A huge coverage on Late Models too, featuring 4-Links, tyre and stagger, track position and all written by Scott Bloominquist, you can't get any better information than that. Also features a section on Sprintcars, both wing and non-wing and like all products from the NitroMall the postage is FREE.