Earth facts : pockets / by Hall, Cally, author, O'hara, Scarlett, author, Buller, Laura, editor

Animals of the world : pockets / by Alderton, David, author, Brooks, Steve, author, Clarke, Barry, author, Frandon, John, author, Lambert, Mark, author, Mound, Lawrence, author, O'hara, Scarlett, author, Taylor, Barbara, author, Parker, Steve, author, Pope, Joyce, author, Taylor, David, author

Science encyclopedia : pockets / by Burnie, David, author, Challoner, Jack, author, Eden, Philip, author, Guth, William A., author, Hall, Cully, author, Kaufmann, Jeffrey, author, O'hara, Scarlett, author, Setford, Stever, author, Storr, Carole, author, Twist, Clint, author, Yasso, Warron, author