By Barton, Laurie.. White Plains, N.Y. : Pearson/Longman, 2009 . 2 x Audio CDs ;. , 2 x Audio CDs. 9780131847996
]]>By English, Andrew K.. White Plains, NY : Pearson Education, 2009 . xxii, 270 p : , Rev. ed. of: Northstar / Natasha Haugnes, Beth Maher, 2nd. ed. 2004 ; The third edition of the Northstar series has been expanded to 4 separate volumes. Each level is in a separate volume with different contributing authors ; Includes bibliographical references. 26 cm.. 9780136133186
]]>By Beaumont, John,. White Plains, NY : Pearson Education, 2015 . xix, 200 p. : 26 cm.. 9780133382150 | 013338215X (pbk.)
]]>By Sanabria, Kim. White Plains, NY : Pearson Education, 2014 . xxiv, 257 p. : , Includes index. 28 cm.. 9780132785822
]]>By Frazier, Laurie. [Harlow?] : Pearson, 2015 . 3 x CDs ; , Other Title : Northstar, level 2 | Other Title : Northstar, level two 9780133382181
]]>By Zwier, Lawrence . Hoboken, NJ : Pearson Education, Inc, 2017 . xviii, 349 p. : 26 cm.. 9780134400785
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