Entrepreneurship starts with an idea and a dream: a dream of a better world for others, and a life less ordinary for yourself. These days, more people than ever are full of world-changing ideas and, thanks to technology, have the means to bring them to life. But many ideas remain just ideas, and many dreams just dreams.

Startup Mixology is first and foremost a book about turning your ideas into action. From the cofounder of media company Tech Cocktail, a veteran entrepreneur and investor who was...