If you’ve ever wondered if a particle can have weight but no mass, why the neutron is neutral or why the electron—a negative particle—doesn’t fly apart when all of its inner parts are presumably negative also, then this book is for you.

John R. Holt chases the holy grail of science—a theory that explains everything—in this ambitious work that draws upon particle physics, theoretical physics, cosmology, and related disciplines.

Combining empirical facts with reasonable speculation, he presents a simple theory in an easy-to-understand...