From Media Angels:
"Receive a free back pack or t-shirt with the purchase of one of the Truth Seekers Mystery Series action-adventure novels. The characters are homeschoolers who find themselves in life changing adventures in every book.
Buy one, two or all three to complete the set. Literature guides are available for all of the books as well.
For details and information click here and then click on the BOOK CLUB link for all the details.
These books were written by then-14-year-old-homeschool student, Christina Gerwitz and her mom, author, Felice Gerwitz. Discounts are available for bulk purchases. Email email@example.com for more information."