Couchsurfing is the new way to travel cheap! At least according to On the couch , a book retracing the tribulations of a daring traveler whose overnight stays were on strangers’ couches and any other available flat surfaces. Other travel books available this month in our selection include looking back on Afghanistan as it once was and uncovering the charm and quirkiness of British trains. Viva South America! explores a continent always on the move and seeing Central Park gives you a glimpse of this urban park like never before. And if you’d like to know more about Delhi, Dublin, Sardinia, Vietnam and Morocco, check out this month’s Travel Recent Picks.