Scholastic-TAB, Richmond Hill, ON, 1987, 1^st/1^st.  ISBN 0-590-71749-9.  MMPB, 121 pages.  Very good; light edge and cover wear, light creases; binding tight.  Signed and inscribed by author on title page; remainder of interior clean and unmarked with very lightly tanned pages.  ‘A camping trip in Algonquin Park is the perfect way for David to show the beauties of Ontario’s unspoiled wilderness to his friend Sandy when she arrives from Scotland for a holiday. … Little does either guess that when they set off in their canoe they are headed straight for adventure and a life-threatening encounter with murderers in a desperate bid to retrieve a stolen necklace.’ (from rear wrap)