Various textbook for sell.... 1 ) Open Channel Hydraulics by A. Osman Akan (excellent photocopy book)___________________________________________________ ____18$ 2) Transportation Engineering and Planning (3rd Edition) (very good condition photocopy) by C.S. Papacostas and P.D. Prevedouros ____________________________________________________________18$ 3) Fundamentals of geotechnical engineering by Braja M. Das (3rd edition) (good condition photocopy)___________________________________________ 15$ 4) Principles of Highway Engineering and Traffic Analysis ( 4th edition) by Fred L. Mannering(good condition photocopy)___________________________ 10$ 5) Developing Academic English skills (Concordia Edition) (ESL 202) (ORIGINAL BOOK)____________________________ 15$ 6) Principles of Marketing 8th Canadian Edition by Philip R Kotler, Gary Armstrong, Peggy H. Cunningha,Valerie Trifts (original books) ____________________________________________25$ Do not hesitate to contact me using the online forum