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Coupon codes for
The Knowledge Review Magazine
theknowledgereview.com
September 2026Find books, media, and current promotions from The Knowledge Review Magazine.
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Previous coupon codes
Expired codes
These codes are kept for reference and are no longer active.
15% offEXPIRED
Expired 04.09.2026
Expired: 15% welcome discount at The Knowledge Review Magazine
Historical welcome code for a qualifying first order. New-customer and minimum-spend restrictions may have applied.
WELCOME15-US-151755
20% offEXPIRED
Expired 09.08.2026
Expired: 20% extra off at The Knowledge Review Magazine
Historical seasonal code for selected products. It could not normally be combined with other promotions.
EXTRA20-US-151755
10% offEXPIRED
Expired 05.08.2026
Expired: 10% off at The Knowledge Review Magazine
Historical code for qualifying full-price items. Brand, product, and campaign exclusions applied.
SAVE10-US-151755