I went to a printing company to split some books into 2 with new cover so that I didn't have to carry the whole book every time. Therefore, you won't see the original cover of the book but the content is still the same. 1. Probability in Electrical Engineering and Computer Science: An Application-Driven Course $30 ISBN 10: 0615899366 2. Probability: Theory and Examples 4th ed $10 ISBN-10: 0521765390 3. Fundamentals of Queueing Theory 4th Edition $30 ISBN-13: 978-0471791270 4. Elementary Linear Algebra 9th Edition $5 ISBN-10: 0471669601 5. Elementary Differential Equations with Boundary Value Problems, 5th Edition $30 ISBN-10: 0131457748 pick up and cash only