Mounce's BBG Workbook - the current edition (4th) - Accordance has had it for a while
Logos has the 3rd edition - it seems like since Logos has the actual 4th edition of the Grammar (BBG) available, the accompanying current edition of the workbook should also be made available.
https://www.amazon.com/Basics-Biblical-Greek-Workbook-Fourth/dp/0310537479/ref=sr_1_1?dchild=1&keywords=basics+of+biblical+greek+workbook&qid=1594594980&sr=8-1
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Tim Stettheimer
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