I was looking though today's Prepub offerings and noticed a collection of offerings from DeGruyter: https://www.logos.com/product/47117/de-gruyter-deuterocanonical-and-cognate-literature-studies
Ok, I thought, Logos is puting out some pretty respectable stuff here - DeGruyter has high reputation as a European academic publisher. So I started scrolling through the listing- some very tasty (and very up-to-date) offerings on different aspects of Second Temple literature. I scrolled down through to the second last title in the listing, and lo and behold, it's a book by my sister; Ruth Henderson's "Second Temple Songs of Zion: A literary and generic analysis of the apostrophe to Zion". $350US seemed like a fair bit of money to pay for a collection, but then it occured to my that I forked out over $100 just 2 months ago for a print copy my sister's book, and that book is just one volume in this 18 book collection. Looks like Logos is offering a very good deal.