H-Net is “an international interdisciplinary organization of scholars and teachers dedicated to developing the enormous educational potential of the Internet and the World Wide Web.” The editors of the H-Net Book Channel are looking for proposals for essays on topics related to new books. Book Channel essays are short-form (1,200 to 1,500 words) and have a list of titles for further reading. According to their guidelines, authors are paid an honorarium of $150. Details here.