Third in the Bill Hanson action series which tells how he temporarily leaves the Forestry Service to work for the Lowbush Paper Company which is rushing completion of a new mill.  Bill's airplane crashes in the bush during the middle of winter and he and his faithful terrier must find their way to safety on foot.

Dust jacket is in acceptable condition with nicks, tears, scuffs and bends as per photos.  Green boards with black titles are in good condition with light wear.  Internal pages are clean and unmarked.