This book aims to demystify bisexuality and celebrate it. Today, most bisexual activists and researchers define bisexuality as attraction to more than one gender, and this is a book for anyone whether they identify as bisexual, plurisexual, pansexual, omnisexual, polysexual, fluid, unlabelled, any related label or who just wants to know more. The hidden culture, history and science of bisexuality.