By O'Dell, Tawni
By Schwarz, C. M., Seaton, M.A.
By Jarvie, Frances, Jarvie, Gordon
By Munro, Wendy
By O'Brien Tim
By Publishing Company, Sterling, Philip's Maps
By Pienkowski, Jan
By Munro, Roxie
By Mosel, Arlene, Lent, Blair
By McAleavy, Tony
By Dove, Jane, Raw, Michael, Rogers, Alisdair, Stannard, Kevin, Hart, Clive
By Dolan, Stan
By Sewell, Mike
By Smart, John, Smart, John, Bickley, Pamela, Brinton, Ian, Siddall, Stephen
By School Mathematics Project
By Ogborn, Jane
By Hart, Clive, Clive Hart
By Dyer, David, Dorton, Ian, Grainger, David, Stimpson, Peter
By Dobbs, Steve, Miller, Jane
By Quadling, Douglas
By Neill, Hugh, Quadling, Douglas
By Stevens, David
By Walton, Stephen, Crum, Richard, Westaway, Tony, Bamford, Colin
By Todd, Allan