TY - BOOK AU - Cohn,Rachel AU - Levithan,David TI - Sam and Ilsa's last hurrah SN - 9781760293857 U1 - 813.6 23 KW - High school students KW - Teen fiction KW - Twins KW - Brothers and sisters KW - Sibling rivalry KW - Parties KW - Manhattan (New York, N.Y.) KW - Young adult fiction KW - lcsh N2 - Siblings Sam and Ilsa Kehlmann have spent most of their high school years throwing parties for their friends and now they've prepared their final blowout, just before graduation. The rules are simple: each twin gets to invite three guests and the other twin doesn't know who's coming until the partiers show up at the door. With Sam and Ilsa, the sibling revelry is always tempered with a large dose of sibling rivalry, and tonight is no exception. One night. One apartment. Eight people. What could possibly go wrong? We all know the answer is plenty. But plenty also goes right, as well in rather surprising ways ER -