As a treat for lovers of Da Vinci Code-esque globe-trotting ancient biblical conspiracy thrillers, the first 3 novels of such in Terry Brennan's
The Jerusalem Prophecies series, which follows a man and his eventual companions as they repeatedly stumble across the obligatory mystical historical macguffin which leads them on to vast networks of hidden secrets and such, are being offered free courtesy of Christian publisher Kregel.
Currently free, probably just for one day, in reading order by publication date (these appear to be self-contained adventures that were originally printed a number of years apart):
- The Sacred Cipher @ B&N, Amazon (available to Canadians & in the UK). Price-drop-check linkage for Google Play, where this is not free for Canadians but might become so later or already be in the US
- The Brotherhood Conspiracy @ B&N, Amazon (available to Canadians & in the UK) & Google Play (available to Canadians)
- The Aleppo Code @ B&N, Amazon (available to Canadians & in the UK) & Google Play (available to Canadians)