Its an ebook for Kindle
https://www.amazon.com/Secrets-Chiseled-Abs-Step-Step-ebook/dp/B07PPK4MSW
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This one can be bought on Kindle or hard cover on various sites.
I suggest getting Jackson's (one of the coaches) book as he discusses metabolic resistance training, which will give you insights into getting leaner using short rests. Like I said, it depends on your goals, and cardiovascular health is important, but many people are unwittingly undermining their strength/hypertrophy goals with long duration steady state cardio after their workouts. It might make sense to get a Peloton anyway, since it is much more engaging and less impacting than jogging, but you could see first if the Tonal alone meets your needs. On the other hand, you might really enjoy the Peloton rides, and they do have appropriate shorter duration HIIT rides. Lastly, lower calorie intake and intermittent fasting would be the most effective way to get to your lean goals, vs. extra cardio workouts, and he discusses that in the book too: https://www.amazon.com/Secrets-Chiseled-Abs-Step-Step-ebook/dp/B07PPK4MSW/