The Ologies are a series of illustrated fantasy books presented in a non-fictional encyclopedic format. The series is primarily edited and authored by Dugald Steer. The books, which are intended for young readers, are published by Templar Publishing in the United Kingdom, Five Mile Press in Australia and Candlewick Press in the United States. They have been very popular in sales; the first book, Dragonology, remained on the New York Times' children's bestsellers list for 76 weeks. Source: Wikipedia (en)