Title: Installment Immortality
Series: Incryptid, #14
Author: Seanan McGuire
Publisher: Tor Books
Publication date: March 11, 2025
Length: 432 pages
Genre: Urban fantasy
Source: Review copy courtesy of the publisher via NetGalley
Rating:

Seanan McGuire’s New York Times-bestselling and Hugo Award-nominated InCryptid series continues with a whirlwind adventure….

After four generations of caring for the Price family, Mary Dunlavy has more than earned a break from the ongoing war with the Covenant of St. George. Instead, what she’s getting is a new employer, in the form of the anima mundi, Earth’s living soul made manifest, and a new assignment: to hunt down the Covenant agents on the East Coast and make them stop imprisoning America’s ghosts.

All in a day’s work for a phantom nanny, even one who’d really rather be teaching her youngest charges how to read.

One ghost can’t take on the entire Covenant without backup, which is how she winds up on a road trip with the still-mourning Elsie and the slowly collapsing Arthur, both of whom are reeling in their own way from the loss of their mother. New allies and new enemies await in Worcester, Massachusetts, where the path of the haunting leads.

With the anima mundi demanding results and Mary’s newfound freedom at stake, it’s down to Mary to make sure that everyone gets out of this adventure alive.

It’s been a long afterlife, but Mary Dunlavy’s not ready to be exorcised quite yet.

When you’re on the 14th book in an ongoing series, it feels practically impossible to talk about it in a way that will make sense to anyone who hasn’t been along for the journey. And in fact, even though I have read every one of these books, I needed a serious refresher before feeling ready to dive in. Um, what happened last time around? The details are a little fuzzy…

Fortunately, the narrator of Installment Immortality, ghost babysitter Mary Dunlavy, is just bouncing back from a major trauma and missed quite a bit, so her opening in the first chapter is quite helpful:

All right, this is where I recap. Because we’re dealing with five generations of family history here, and that’s a lot, even when you’ve been there from the beginning. I can’t count on anyone having been here from the beginning anymore, myself included, so I’ll give you the basic shape of things and hope that will be enough to ground you in this glorious ghost story already in progress.

Thanks, Mary!

The first chapter is Mary giving us a speed-recap, and it was just what I needed. (That, plus keeping the Incryptids wiki page bookmarked for easy reference.)

A brief explanation on the series (from my review of one of the earlier books):

The InCryptid series is a big, sprawling, interconnected story about the varied and sundry members of the Price/Healy clan — humans (mostly) who specialize in cryptozoology, the study and preservation of non-human people who live among us here on Earth. The arch-enemies of the Price gang (and all non-human species) is the Covenant, a powerful organization dedicated to hunting down and eliminating all cryptids — ostensibly to protect humans, but really, at this point, it’s more from deeply ingrained hatred and a desire to rid the world of everything non-human.

The series has had several different narrators, most of whom get a couple of books in a row before we move on to the next. Installment Immortality is Mary’s second book, and she picks up right where she left off in the previous book, Aftermarket Afterlife.

The Price-Healy family has inflicted serious harm on the Covenant, and now the Covenant wants payback. They’re trying to get it by rounding up and either destroying or weaponizing ghosts, and Mary’s new boss — the anima mundi, the living spirit of the world — wants it stopped before irreversible damage is done. Mary is tasked with finding these wannabe ghostbusters and doing whatever it takes to shut them down.

Meanwhile, the family is in tatters, having suffered two devastating losses in the last book. No one is operating at full speed, but Mary recognizes that siblings Elsie and Arthur need both a distraction and a purpose, and the three set off on a road trip to carry out her mission.

As we get into the main action of the story, the pace quickens and the stakes get higher and higher. Without going too far into the details, I’ll just say that the suspense becomes intense, and I was on the edge of my seat! You might think that when a main character is a ghost and therefore already dead, there wouldn’t be much risk… and you’d be wrong. Mary faces incredible danger, but her devotion to her kids (yes, Elsie and Arthur are adults, but once Mary has been someone’s babysitter, they’re always going to be her kids, no matter their age) keeps her focuses on her mission and determined to do whatever it takes to protect them.

Installment Immortality is another terrific addition to a great series. It can feel somewhat dense at times — there is A LOT to keep track of. But it’s worth it. With a series this big and sprawling, the mythology and interconnectedness is intense (and seriously, those wikis are essential!), but the emotional payoff of seeing the latest developments for characters we’ve had this much time to get to know and love is really rewarding.

Obviously, starting an ongoing series at book 14 is not going to be a satisfying reading experience. Each book builds upon the one before — so really, the only way to enjoy it is to start at the beginning (Discount Armageddon)… and then keep going!

As for me, I’m all in, and can’t wait for #15!

As with other books in the Incryptid series, this one includes a novella at the end, Mourner’s Waltz. The story features the same main character as in the previous novella, picking up the story several months later. There are strong emotional beats plus a nifty adventure. I can’t talk about it without major spoilers, but it was engaging and lovely… and makes me hope that the next main Incryptid book will bring this character back to center stage.

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