1.7 kg of knowledge

@EvoHull @gawbul @davelunt I've just weighed mine. 994 g. Hard-back, too. Top copy probably more, what with all the TipEx.

— John F. Allen (@ProfJohnAllen) March 26, 2015

One reply on “1.7 kg of knowledge”

Leave a Reply

Your email address will not be published. Required fields are marked *