The NIV edition of
The MacArthur Study Bible is $7.99 this week (through 7/6 according to the email, regularly $33.99). It's also published by Thomas Nelson instead of Zondervan, so it's eligible for coupons at Kobo (
PERKOPOLIS is still good for 40% off).
B&N Kobo Amazon
MacArthur's
One Perfect Life (a harmony of the gospels) is $2.99 and also eligible for Kobo coupons (I just got it for $1.79).
B&N Kobo Amazon