This book carefully explains the defining moments in the history and science of Vaccines; it takes you into the interesting history of vaccines and interprets the science behind vaccines in current simple terms. It highlights the current race in the search for the Corona Virus COVID-19 vaccine.
Simple natural means to maintain lasting sexual desire. This book shows you how to prepare mentally and physically to enjoy exciting sex life. This book shows you simple recipes that will increase your libido and maintain a full erection during sex.
The book provides detailed sex positions for beginners and those looking to revive the adventure in their sex lives; all the positions have pictorial references with which you can learn to improve your sex life.