The Rosie Project by Graeme Simsion(listen or download from link above)According to Webster la·gniappe \ˈlan-ˌyap, lan-ˈ\ Function: noun Etymology: American French, from American Spanish la ñapa the lagniappe, from la + ñapa, yapa, from Quechua yapa something added Date: 1844 : a small gift given a customer by a merchant at the time of a purchase; broadly : something given or obtained gratuitously or by way of good measure