Exhibit 10.1 SUBSIDIARY GUARANTEE Supplemental Indenture, dated as of May 1, 2007 ("Supplemental Indenture" or "Guarantee"), by and among Net Textstore LLC, a Delaware limited liability corporation (the "Guarantor"), Nebraska Book Company, Inc....Subsidiary Guarantee • May 7th, 2007 • NBC Acquisition Corp • Wholesale-miscellaneous nondurable goods • New York
