Box includes books for lessons 137-170 (6 copies of each), novel study book, 34 lesson folders, 16 student test preparation booklet.

Making a difference: the International Children's Peace Prize -- Micro loans: a little means a lot -- The mystery of the missing world wonder -- Uncovering the truth: the real cost of Mexico's squid -- Strange bodily functions, explained -- Men without trousers -- Shifting -- The decision -- The mysterious Maya -- Hans the math horse -- The spy who couldn't be stopped -- Flight to the unknown -- Josephine Baker: the dancing spy -- Hiroo Onoda: the spirit of a warrior -- Heartbeats -- Plague! -- The secret of purple -- Weaving her story: the art of Patricial Burling -- Sailing against the wind -- Come sit by me, baby -- A deadly story: a Canterbury tale -- Aunt Misery's pears: a tale from Puerto Rico -- The secret life of stars -- Space junk -- Messenger.