Chegg, which offers textbooks for rent and other online services to college students, is looking to raise $172.5 million in its Initial Public Offering. Chegg originally announced its intentions to file an IPO in August and in the updated prospectus said it is looking to price its shares between $9.50 and $11.50 per share. The new prospectus also said revenue for Chegg in the first nine months of the year rose 23% to $178.5 million and its operating loss was cut by 12% to $50.4 million.