
Angel of Vengeance (Pendergast, #22) by Douglas Preston (Goodreads Author), Lincoln Child
Amy Caudill‘s review
Aug 26, 2025
A desperate plan, a combination of forces by former enemies, and a literal world-bending adventure awaits our heroes as they face off against the ultimate antagonist-Pendergast’s serial killer ancestor, Dr. Enoch Leng.
This latest novel from authors Douglas Preston and Lincoln Child concludes what could be considered another unofficial trilogy in the long-term series. I previously reviewed the first book of this trilogy, Bloodless, on Goodreads and my blog, but have yet to mention the second book on-line. However, since these three are so interrelated, I feel I should discuss the three books together.
In Bloodless, Aloysius Pendergast discovers a machine that creates gateways between dimensions, allowing travelers to move between worlds that are either very different or very similar to our own. Constance Greene uses the machine to travel to a world that is like our own only still in the Victorian era, allowing her to stop Leng from the ghastly experiments that killed her sister and made Constance herself virtually immortal. However, the machine breaks down after her transport and she is stranded there.
Pendergast is devastated at her loss, because he is only now realizing that he feels more for Constance than a ward, and actually could have a relationship with her. The early part of The Cabinet of Dr. Leng focuses on the unconventional steps Pendergast, with the help of D’Agosta and Procter, take to bring the machine back on-line and save Constance from herself.
Long term readers of the series will recognize the name and situation of the second book, The Cabinet of Dr. Leng, from an earlier book in the series , The Cabinet of Curiosities, although the newer book is set mostly in the past and in a slightly alternate dimension.
Despite their best intentions, Pendergast and D’Agosta’s arrival in alternate Victorian era New York creates more harm than good, and Constance quickly points out to them that she did not want or need their help. Whether that was true is academic, because Leng becomes aware of the dimensional travelers’ existence, and in the beginning of Angel of Vengeance he has gained the upper hand by purportedly killing Constance’s older sister and kidnapping the younger version of herself.
The last book continues the story with the arrival of Pendergast’s younger brother, Diogenes, who has a checkered past with the rest of the group but who allies himself with them to bring down Leng. The group of heroes, determined to save Mary Greene and “Binky,” the young Constance, as well as their brother Joe, join forces to concoct a plan that will also prevent Leng from gaining any more knowledge or access to the dimensional gate.
While some of the Pendergast books could be considered stand-alone, I would caution new readers to this series to not start with any of the books I have mentioned here, because while they may enjoy the story there is far too much history, and too many prior situations that would require explanation for complete understanding.
However, this book series is outstanding and the latest offering continues that trend. I award it five stars and recommend the series to fans of detective fiction, actions stories, and those who enjoy stories with Victorian and Gothic and paranormal elements. Considering the next book in the series, which is due out in January, is a flashback to Pendergast’s first case, I only hope that the forward adventures of our heroes are not at an end.





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