PAGE: mkirk-fieldtested-supplement.html – daughter page; website only, ebook + PDF, no Amazon at all. Promo graphic Matt sent 2026-07-29 added below. 2026-07-30: added the ebook "how to read" sidebar primer per Matt's sitewide request.
Couldn't Have Been an Email – a Field Tested companion
Companion to Field Tested

Couldn't Have Been an Email

[Placeholder – teacher-only supplement description pending.]

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