Queries relating to specific books are best answered via the publishers own websites but I am happy to provide e-mail support to any customers or potential customers who have general questions or have not received replies from any publishers. The Health Bookstore is owned by John Campbell and is part of TheOnlineCo organisation which has been trading on the Internet for many years. The Health Bookstore does not process your payments but does receive a commission from all sales resulting from books sold by clicking on the links within these pages. So, please use these links when purchasing - it costs you exactly the same and you reward me for helping you find the product and also help maintain this website!