An illustrated, Vintage paperback / pocket book in good condition, Blue Treasure The Mystery of Tamarind Court, authored by Helen Girvan and illustrated by Harriet O'Brien. Copyright 1937, 6th printing, May, 1963. Single copy price indicates it was $.50. Book is dedicated "To Colin". 276 pages. Published by Scholastic Book Services, a division of Scholastic Magazines, Inc., New York, N.Y. "Neither threats nor Bermuda hurricanes stop the tantalizing search for the "Lost Vermeer".