Eric Normand, “Grokking Simplicity”

Manning provided a voucher codes for 35% off any of their publications and 50% off of Grokking Simplicity. And six individuals won a door prize of a free copy of Grokking Simplicity. Thanks to Manning and Eric for the giveaways! There was initially a problem with some of the voucher codes but that’s been resolved now. If you continue to have problems using your code, please email me at

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