The second issue of The Harvard College Mathematics Review (HCMR) is now available both in print and online here. Submissions are now welcome for the third issue of The HCMR, Vol. 2 No. 1. You are invited to submit expository papers on any topic of undergraduate mathematics, short articles detailing interesting results or problems, and original problems in any mathematical subject. Papers written for courses, tutorials, or fun are welcomed. To be eligible for publication, all submissions of articles, notes, and problems must be received by February 10, 2008.