Download or read book The Blue Geranium written by Agatha Christie and published by Harper Collins. This book was released on 2013-06-04 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: Previously published in the print anthology The Thirteen Problems. A woman is warned by a psychic of the evil and danger in her house. On a full moon, she must watch for the signs: blue primrose means caution, blue hollyhock is danger, and blue geranium is death!