A triumphantly toxic tome. As a dedicated Macinnis fan, I relish this latest display of erudition, story-telling and fun. One of his very best.'Robyn Williams, Head, ABC Science UnitWas Abraham Lincoln really as mad as a hatter?Who poisoned Phar Lap?Can wallpaper really kill?Was Jack the Ripper an arsenic eater?Painting a broad canvas, from the early Egyptians to the arsenical tube wells in Bangladesh and the Sarin gas attacks in a Tokyo subway, The Killer Bean of Calabar explores the accidental