Sun TropesAljoscha Weskott, Kesting Marietta, Jeanne van Eeden, Leslie Witz, Gwen Gill · First published 2010Open the Tome
Chemical IdeasChris Otter, Kay Stephenson, Gwen Pilling, Gill Saville, Dave Waistnidge · First published 2008Open the Tome
Animals in danger, disappearing animals of EuropeGill Gould, Gwen Fulton Butler John, Sheila Smith · First published 1978Open the Tome
