1.
Idiot's Guides: High Intensity Interval Training : High Intensity Interval Training
by Bartram, Sean
ISBN: 9781615647477
2.
High-Intensity Interval Training for Women : Burn More Fat in Less Time with HIIT Workouts Y...
by Bartram, Sean
ISBN: 9781465435354
4.
High-Intensity Interval Training for Women: Burn More Fat in Less Time with Hiit Workouts Yo...
by Sean Bartram
ISBN: 9780241196069