By Roebuck, E., Sherlock, Alan, Godfrey, M., Pickles, J.
By Greer, Alex
By Now National Writing Gro, Maths
By Fairhurst, John, John Fairhurst
By M. R. Heylings
By Ewart Smith
By Holderness, Jean
By CGP Books, CGP Books
By Hodge, S.E., Seed, Margaret L., Scottish Mathematics Group, Brown, Margaret
By Robins, Deri, Robins, Jim
By Stripp, Charlie, Drape, Steve
By Vickers, K. M., etc., Tipler, M. J., Van Hiele, H.L., K. M. Vickers, M. J. Tipler, H.L. Van Hiele
By Vickers, K. M., etc., Tipler, M. J.
By Ann Montague-Smith, Paul Harrison
By Paul Harrison, Ann Montague-Smith
By Daughtrey, Susan J.
By Various
By Stephanie Silverman, Nicholas Geoffrey Stevens
By Nicholas Geoffrey Stevens
By Walsh, Mary, Barbara
By Catherine Hilton, Margaret Hyder
By Merttens, Ruth, Ruth Merttens
By Hunt, Roderick, Brychta, Alex
By Waters, Deborah, Culshaw, Chris
By Steve Cole, Stephen Cole
By Woodman, Anne, etc.
By Woodman, Anne
By Winter, David, Merttens, Ruth, Kirkby