Like its older sibling "Caf Life Rome, " Wolff and Paperno's new book profiles family-owned cafes, bars, and gelaterias, this time in the glorious and historic city of Florence. Reap the rewards of their exhaustive research into the fine espressos and artisanal gelatos to be found in the city that is the heart of Tuscany. Full-color and b&w, photos. Maps.