🎯 Where Should I Start?
ⓘ About Michael Gregorio
Michael Gregorio is a pen name that is used by a team of husband/wife, Daniella Gregorio and Michael G. Jacob. Gregorio and Jacob have been together for more than thirty-six years and have resided in various parts of the world. Currently, Gregorio and Jacob reside in Italy, where Jacob teaches English while his wife Gregorio teaches Philosophy. In the year 2017, the duo of Gregorio and Jacobs was awarded an Umbria de Del Cuore. However, since Hanno is obedient to his masters, he believes that despite his own reasons preventing him from heading to Konigsberg, he must obey King Wilhelm’s commands. Several experienced men were asked to solve the killings with Konigsberg, however, they were not prosperous.
All Book Series by Michael Gregorio
Fifty Shades Deeper Inside Italy
Latest in the series · book 2 of 2 · published 2012
The Mammoth Book of Jack the Ripper Stories
Single-title series · published 2015
? Frequently Asked Questions
Who is Michael Gregorio?
Michael Gregorio is a pen name that is used by a team of husband/wife, Daniella Gregorio and Michael G. Jacob. Gregorio and Jacob have been together for more than thirty-six years and have resided in various parts of the world. Currently, Gregorio and Jacob reside in Italy, where Jacob teaches English while his wife Gregorio teaches Philosophy.
Which Michael Gregorio series should I start with?
The best place to start is the Hanno Stiffeniis series, the earliest of Michael Gregorio's multi-book series: it opens with Critique of Criminal Reason (2006) and runs to 4 books across 2006–2010, ending with Unholy Awakening (2010). Michael Gregorio's other series stand alone, so they can be read in any order.
How many books has Michael Gregorio written?
Michael Gregorio has 131 books catalogued in this guide, published between 2002 and 2025. 128 of them belong to 3 named series — the largest being the Hanno Stiffeniis series with 4 books — and 3 are standalone titles, collections or anthologies.
In what order should Michael Gregorio's series be read?
Read each series in publication order — the numbered entries in each series follow the year each book first appeared. Michael Gregorio's series do not depend on one another, so they can be started in any order; by start date they are Hanno Stiffeniis (2006–2010, 4 books) and Sebastiano Cangio (2015–2017, 3 books).
How are Michael Gregorio's books organised into series?
This guide splits Michael Gregorio's 131 books into 3 named series and 3 titles that stand alone or appear only in collections: Hanno Stiffeniis (4 books, 2006–2010); Sebastiano Cangio (3 books, 2015–2017); Akashic Noir (121 books, 2002–2025).