By Holt Rinehart and Winston
By McDougal Littel
By Newstead, Shelly, Isles-Buck, Emma
By Thompson, David S. C., Sage, James
By Goodier, Alan, Davies, John
By Sears, Brian
By Gowers, Peter J.
By Howard, Ken, Ward, T.W.
By Technology Education Research Unit
By New Horizons Science
By Makhlouf, Charlotte
By Lane, Helen
By Laukaitis, Tony, Willer, Hayley, King, Colin
By CGP Books
By Green, Phil
By Dominique, P, Girardet, Jacky, Verdelhan, M
By Peter Medgyes
By Markee, Numa
By Kamman, Margaret L., Cargill, Margaret
By Nunan, David
By Ronald V. White
By Field, John
By Apple, Michael W.
By Benson, Dr Philip
By De Boo, Max
By Koll, Hilary:Mills, Steve
By Gregoire M>, Morgaut, Daniel
By Nolt, John, Rohatyn, Dennis A.
By Anon