N or M? & A Caribbean Mystery

This book is a double story collection from the Collected Works of Agatha Christie by Heron Books - The stories are "WHY DIDN'T THEY ASK EVANS" and "THE A.B.C. MURDERS". Beautiful hardback with red leather-like boards with gold embellishments. Illustrated by Patrick Couratin and Sylvie Dausset. Printed in England. There is an attached yellow ribbon placeholder.