Jarir Bookstore
Qatar Showroom: Salwa Road, Ramada Crossing, Doha
Showroom Timings: Sat-Thu 9am-1pm, 4pm-10pm; Fri 4pm-10pm
Tel. No. +974 444-0212, Fax No.+974 444-0432

Check out the classifieds in QL as well. There are some garage sales where they sell children's books as well