Havertown, PA, April 01, 2024 — Jen Crompton, who is a writer, fit-pro, entrepreneur, marketer, and teacher, has completed her new book, “Fueling Your Best: The 90-Day Challenge”: a journey focused on guiding readers toward making incremental changes that will lead to a transformation into their best selves. Throughout her life, author Jen Crompton has been an advocate for helping others live healthier and happier…