Book excerpt: Practical, authoritative, and up-to-date,Speroff & Darney’s Clinical Guide to Contraception, 6th Edition, provides concise coverage of all of today’s available contraceptive options. Under the leadership of new editors Jeffrey T. Jensen, MD, MPH, and Mitchell Creinin, MD, this well-regarded clinical reference remains a thorough, evidence-based, and readable resource for OB/GYNs, family planning specialists, primary care providers, and other healthcare providers.