Collectible Automobile current June, 2018 issue has an in depth article on '68 - '72 Buick Skylarks, GS models. Very informative with lots of pictures and details about the various intermediate Buick models !
Thanks, iv'e never seen that Magazine, I need to find a devoted book and magazine shop near me as my local Super Markets although are surprisingly well stocked iv'e yet to see this one. I really don't want to subscribe to any more mags, unless this one catches my eye