Knowledge is king and if you’re willing to find out what the foods and drinks you choose will truly cost you, the Pocket Posh Complete Calorie Counter makes a great start. This uber cutie book loaded with thousands of foods from grocery stores and restaurants is small enough to fit nicely in your purse and ensure you don’t look too geeky while pulling it out when it’s time for some nutritious decision-making. Written by registered dietitian, D. Milton Stokes, Pocket Posh retails for $7.99 and can be found on Amazon.com and in many other places where books are sold.