Dogs aren t the only ones who can sense fear. The world's best poker players have gotten to where they are by being able to sniff out their opponents most subtle expressions and behaviors, no matter how hard their opponents try to hide them. These experts look at a tapping foot, an elevated pulse, a change in vocal tone, and countless other clues and then put these "tells into the appropriate context to make an informed decision about what cards their opponents have and how they re likely to play them. No other aspect of poker strategy holds as much promise in improving an amateur poker player s winnings then learning how to spot and react to tells. The Pocket Idiot s Guide to Poker Tellsexplains everything amateur poker players need to know to start interpreting these tells and using them to rake in the chips.