National Book Network recently added six new publishers to its roster. The publishers are Practising Law Institute, Spirituality and Health Publisher, Vermont Center for the Book, Writers of the Round Table Press, Self-Counsel Press and Felony & Mayhem Press. BookMasters Group appointed Jonathan King a consultant to help expand its European business.

Joining NBN is the nonprofit continuing legal education organization Practising Law Institute, which publishesprofessional and trade books , a for the legal community. PLI’s books include trade titles like All About Tax Tips for Collectors and professional titles including Employment Law Handbook 2009. Another nonprofit, Vermont Center for the Book, aims is to enhance the development, self-esteem, and success of children by building the skills and confidence of parents, homeschoolers, librarians, childcare providers and other educators. The organization’s first books are trade paper, $14.95 workbooks in a series called What’s the Big Idea? It is meant for children ages 4-7. Each book will include a CD bound into the back cover with printable worksheets and activities, and a password that takes the consumer to a children’s e-book.

Spirituality and Health Publisher in Traverse City, Mich., is the book publishing imprint of Spirituality and Health Magazine. It will publish If I Had a Water Buffalo: Sustainability and Life Lessons by Marilyn Fitzgerald in April 2011. Writers of the Round Table Press’s new line SmarterComics adapts self-help and business bestsellers into graphic novel format. Some of its titles include Chris Anderson’s The Long Tail and Tom Hopkins’s How to Master the Art of Selling.

Self-Counsel Press publishes self-help law books and books for small business. Its books and forms kits cover writing a will, completing an uncontested divorce, starting a new business, managing an existing business, and other topics. Felony and Mayhem Press, which has more than 100 titles in print, releases reissues of out-of-print mystery titles. The house is not currently publishing new works although that may change going forward.

Ashland, Ohio-based the BookMasters Group, has expanded its U.K. and European presence with the addition of Jonathan King, director of Chieftain Book Services Ltd., as their International Publisher Services Consultant. Based in Epsom, Surrey, King joins BookMasters to help the company’s global expansion of publishing service offerings.