Download or read book Greenmantle written by John Buchan and published by London : Hodder and Stoughton. This book was released on 1916 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hannay is called in to investigate rumours of an uprising in the Muslim world, and undertakes a perilous journey through enemy territory to meet his friend Sandy in Constantinople. Once there, he and his friends must thwart the Germans' plans to use religion to help them win the war, climaxing at the battle of Erzurum.