Series of books, written articles, non-fiction books, how-to books, guides, children's and young adult's books, scholarly books, manuals, catalogs, comic books, handbooks, handouts, textbooks, workbooks, transparencies, worksheets, activity books, reference books, cook books, data books, graphic novels, educational books, in the field of mathematics, science, travel, relationships, cooking, home improvement, home remodeling, construction, building construction, engineering, architecture, grammar, reading, writing, real estate, finance, beauty, games, gaming, history, events planning, pets, animals, law, music, writing books, religions, health, fitness, fitness equipment, insurance, retirement, economics, jobs, careers, alcohol, cosmetology, education, dating, home businesses, legal and illegal drugs, medical care, disease, treating disease, the Bible, computers, agriculture, horticulture, gardening, floods, politics, culture, horses, horseback riding, world cultures, technology, farming, photography, videotaping, art, furniture, furniture refinishing, furniture making, modeling, acting, the environment, languages, counseling, geography, pop culture, business, money, movies, television, theater, diet, nutrition, cleaning, organization, small businesses, self-employment, decorating, addictions, time management, use of technology, the armed services, weapons, governments, conservation, saving money, budgeting, energy conservation, wine, preserving the environment, jewelry, mortgages, banking, safety, dining, coaching, automobiles, sports, parenting, numismatics, stamp collecting, trivia, camping, stocks, bonds, commodities, entertaining, motor vehicles, entertainment, boating, water sports, taxes, antiques, collectibles, illness, vacations, natural resources, death, flea markets, foods, memorabilia, funerals, testing, holidays, shopping, wars, natural disasters, Internet activities, bartering, bartending, survival skills, mental illness, media, crafts, grand parenting, investing, dance, dental care, communication, remarriage, widowhood, the Internet, Internet careers, networking, piloting, marriage, divorce, living single, colleges, choosing colleges and schools, home schooling, hobbies, pursuing careers, personalities types, sign language, body language, plumbing, electrical work, landscaping, learning styles, mental disorders, dreams, home maintenance, auto maintenance, fashion, famous people, emergency preparedness, psychology, pregnancy, sex, infertility, home economics, aging, anti-aging, working from home, teaching, and child care