John Wiley & Sons

The Experts at Dummies is the credited author of "Career Development All-in-One For Dummies." This attribution suggests that the book is a collaborative effort by multiple experts in the field of career development, rather than being written by a single author.

The Dummies series is known for providing accessible, user-friendly guides on various topics, and this approach is likely reflected in this career development book.

The use of multiple experts ensures a comprehensive coverage of different aspects of career development, drawing on diverse experiences and knowledge to provide readers with well-rounded advice and strategies for navigating their professional lives.