Book excerpt: Strong and Lean--Mark Lauren's follow-up to his bestselling book--You Are Your Own Gym--uses two decades of unparalleled experience to accomplish what most people thought impossible: The ability to immediately begin your workout wherever you are--from living rooms to hotel rooms to yards--and finish 9 minutes later. In the age of isolation, a great workout plan that doesn't require any gym equipment is invaluable. Lauren provides a regimen that will help you achieve a stronger, leaner body in only a few weeks. Strong and Lean features a philosophy backed by Lauren's intense personal experiences--ones that speak to every man and woman--along with his military experience. With Mark Lauren's workout, you can now achieve your most muscular and lean body with an incredibly small sacrifice of time.