Download or read book Sense of Obligation written by Harry Harrison and published by . This book was released on 2017-12-13 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: It took a very special type of man for the job - and the job was onerous, dangerous, and the only really probable reward was disaster. But when a man who says he knows it's going to kill him asks you to join.... A sci-fi masterpiece by the immortal Harry Harrison!