Lot of 6 Trixie Belden Mystery by Kathryn Kenny HB

Here is a lot of six (6) different books from the Trixie Belden mystery series by Kathryn Kenny. These are hardcover books with glossy picture board covers. Like new condition , appear never opened. These are stated First Random House Editions. Cover art by Michael Koelsch. Interior clean with the original illustrations by Haris Petie. Books are:
#1. The Secret of the Mansion
#6 Mystery in Arizona
#7 The Mysterious Code
#10. The Marshland Mystery
#12. The Mystery of the Blinking Eye
#15. The Mystery on the Mississippi
From a non smoking environment. Shipping is via USPS media rate depending on location.