Selling a set of 4 books on business strategy and consulting, featuring case studies from renowned consultants like Jay Abraham and Dan Kennedy. Shipping included. ①: Mr. X → Unopened ②: Jay Abraham Consulting Cases ③: Dan Kennedy's 77 Secrets ④: Direct Books The Best Idea Collection 2024 → Case studies from the publisher Books ① and ② are by Jay Abraham, and book ③ is by Dan Kennedy. All four books are business books published by Direct Publishing. Book ① is unopened. The others have only been browsed a few times. They have been on the bookshelf for over a year, so there is some slight deterioration and minor wear. Please consider this information before purchasing.