Pan Macmillan is one of the largest general book publishers in the UK. Our imprints include Macmillan, Pan, Picador, Boxtree, Sidgwick & Jackson, Tor, Macmillan Children's Books, Young Picador and Campbell Books. Pan Macmillan is part of the Macmillan group which was founded in 1843, is one of the largest and best-known international publishers in the world and operates in over 70 countries worldwide. Macmillan is known for its high-quality academic and scholarly, educational, fiction and non-fiction and reference publishing.