"Money, Credit Conversion and the legacy of Mitchell-Innes" (1st edition December 2016 - currently working on an updated version)
The first part of the book contains a collection of short texts on money. The Credit Conversion Theory of Money is introduced, which focuses on what is, on a purely technical level, a key aspect of money: the transformation of debt into money.
The second part of the book is dedicated to Alfred Mitchell-Innes, who was maybe the first person to present a truly modern theory of money. Writing in 1913, he simply stated: credit and credit alone is money. After an introduction to Mitchell-Innes’s Credit Theory and a summary of his main ideas, reprints of the original articles from The Banking Law Journal are provided. Finally, the review that J.M. Keynes wrote in 1914 is also reproduced.
Available on any Amazon site, for example
Or you can just download a pdf version for free.