Michael H. Price and John Wooley continue their exploration of the Badlands of Grindhouse Cinema with “Forgotten Horrors to the Nth Degree” — an expanded compilation of their acclaimed “Forgotten Horrors” columns for FANGORIA magazine, and a continuation of the long-running FORGOTTEN HORRORS series of movie-history books, spanning from 1929 into times more recent. The Afterword is by artist and film theorist Stephen R. Bissette, who chronicles a wealth of chillers with origins in his native Vermont. The cappers include a comprehensive survey of the bizarre filmmaking career of Larry Buchanan (of “Mars Needs Women”), a sampling of Mike Price’s long-out-of-print newspaper and New York Times News Service columns, a primary-source history of the Gore Film Trilogy of Herschell Gordon Lewis and David F. Friedman, and a study-in-depth of Leo Fong’s career in martial-arts thrillers.