Grindley, Sally. creator author Dann, Penny ill. 1st ed. 1 v. (unpaged) : col. ill. ; Sally Grindley ; illustrated by Penny Dann. Fiction Foxes Bears Hibernation Friendship Squirrels Winter PZ7 GRI 1999 9780753404904 http://www.loc.gov/catdir/enhancements/fy0607/99021320-d.html http://www.loc.gov/catdir/enhancements/fy0736/99021320-b.html http://www.loc.gov/catdir/enhancements/fy0607/99021320-d.html http://www.loc.gov/catdir/enhancements/fy0736/99021320-b.html