BOOK A CALL
One F*cking Thing book cover

For Anyone Feeling Overwhelmed

One F*cking Thing

A practical guide to overcoming overwhelm and transforming your life one thing at a time.

In O.F.T.™, Jen McCallum explores why so many people stay stuck in cycles of stress, burnout, and constant busyness. Through practical tools and small, meaningful shifts, this book helps you quiet the noise, choose what matters, and start moving forward.

  • Understand why overwhelm keeps you feeling stuck
  • Learn the O.F.T.™ Method for making consistent progress
  • Build momentum through one meaningful step at a time
Buy the Book

For Coaches and Entrepreneurs

Unlock Your Niche Superpower

A step-by-step workbook to clarify your niche and strengthen your message.

This practical workbook helps coaches identify who they serve, the problem they solve, and how to communicate it clearly so the right clients can recognize themselves in their message.

  • Define a clear and specific niche
  • Create messaging that connects with ideal clients
  • Turn clarity into more focused marketing
Buy the Book
Unlock Your Niche Superpower book cover

Find Your Fit

Which Book Is Right for You?

Choose the book that best matches where you are and what you need help with right now.

If You Are... Start With...
Feeling overwhelmed or unsure what to focus on next O.F.T.™
Trying to make progress without overhauling your entire life O.F.T.™
Starting or growing a coaching or service-based business Unlock Your Niche Superpower
Struggling to clarify your niche, audience, or messaging Unlock Your Niche Superpower
Questions

Frequently Asked Questions

Still deciding? Here's what people usually ask before picking up a copy.

If overwhelm and burnout are the bigger struggle right now, start with O.F.T.™. If you're building or growing a coaching business and need clarity on your niche and messaging, start with Unlock Your Niche Superpower. Still not sure? Use the matcher above.
Both books are available in the formats listed on their Amazon pages. Check the "Buy the Book" link above for the most current options.
O.F.T.™ is written for anyone dealing with overwhelm, regardless of profession. Unlock Your Niche Superpower is written specifically for parent coaches working through their niche and messaging.
Signed copies aren't available online yet. Reach out through the contact page to ask about availability at upcoming events.
Yes, for group or bulk orders, reach out directly and Jen's team can help coordinate a bulk purchase.