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Books about Amstler:
Kickboxing for Rock-Hard Abs, Kettlebell Workout GIANT POSTER!, Peter Maneos, Robert Amstler, Gay Interest - January... by Cheh N. Low (2006)
Movies about Amstler:
ICON MEN: Robert Amstler (Chest & Arms Workout) 2009 NR - Runtime: 27 mins Directed by: ICON MEN
ICON Men: Robert Amstler - Chest & Arms Fitness Unrated -
Wiki information Amstler:
Robert Amstler is an actor, film producer and stunt performer.