By Hawker, Lilian E., Linton, Alan H.
By Hawker, Ross W.
By Cooper, Zafra, Fairburn, Christopher G., Hawker, Deborah M.
By Hawker, Pat, Reddihough, J.A., Burrell, M.
By Hawker, Pat
By Hawker, Pat, Cole, D.E.
By Hawker, Andrew
By Hawker, Lizzy
By Hawker, Nancy
By Hawker, G.T.
By Hawker, Sara
By Hawker, Jeremy, Begg, Norman, Weinberg, Julius, Blair, Iain, Reintjes, Ralf
By Hawker, Sara, Soanes, Catherine, Waite, Maurice
By Hawker, Michael
By Hawker, Jeremy, Begg, Norman, Blair, Iain, Reintjes, Ralf, Weinberg, Julius
By Hawker, G.T., G.T. Hawker
By Hawker, Margaret
By Hawker, Sara (edit).
By Hawker, G T
By Hawker, G T, Hachette Children's Books, G.T. Hawker
By Hawker, Sara, Cowley, Chris
By Hole, Georgia, Hawker, Sara
By Hawker, Sara, Soanes, Catherine, Spooner, Alan