The series title comes from the envelope above, which Hunter sent me (his copy editor for Hell's Angels) upon learning what I looked like. And how young I was. Keep This Quiet! comes replete with letters and other materials from Hunter - not available elsewhere - about the Hell's Angels period. It also  corrects some widely touted anecdotes. I was not only Hunter's copyeditor/Assistant Editor on Hell's Angels but also a friend. What is KTQ! about??? Kirkus Reviews says Harrell’s memoir ...