Paperback or hardcover trade books do NOT include children's books, textbooks, or mass-market paperbacks. Typical trade trim sizes are between 5 x 8 and 6 x 9 inches, but larger sizes are also available. Wheatmark publishes trade books only.
Books that are available to help users in learning to use the features of personal computer application packages, and can be found where software is sold and usually are carried in regular bookstores. 2.37
Books distributed through the book trade - meaning bookstores and major book clubs - as opposed to, for example, mass-market paperbacks, which are often sold at magazine racks, newsstands, and supermarkets as well.