The value of these books at today's prices would be about a million dollars. This striking verse is a remarkable testimony both to the tremendous prevalence of pagan occultism in Ephesus and also to the wonderful power of the gospel to overcome this.

Source:

KJV Defenders Study Bible, by Dr. Henry Morris, Ph.D.
Publisher: Thomas Nelson
Language: English
DEF 10 ISBN 0-529-10444-x
DEF 10-1 ISBN 0-529-10445-8