ISBN 0-06-440055-7

The ISBN 0-06-440055-7 is a unique identifier for a specific book, helping publishers, booksellers, and libraries distinguish it from others. The number is divided into parts: the group or country (0 for English-speaking countries), the publisher (06 for HarperCollins), the title or edition (440055), and a check digit (7) that validates the number. This system ensures accurate and efficient cataloging, ordering, and inventory management across the global book industry.