Arcane Casebook Series
Equal & Opposite

In the bustling streets of New York, a killer is on the loose, leaving a trail of destruction in their wake. But this isn’t just any ordinary murderer – they’re using an explosive rune, a powerful magic that should only exist in the pages of Alex Lockerby’s own lore book. As the city descends into chaos and fear, Alex finds himself in a race against time to catch the culprit before they strike again. With his own abilities temporarily gone, he must rely on his wit and determination to solve the case. To make matters worse, the killer could be someone close to him, someone he never suspected. Can Alex piece together the clues of this deadly game before it’s too late? And can he protect himself and those he cares about from the wrath of a vengeful killer? Don’t miss out on the explosive twists and turns in this latest installment of the Arcane Casebook series.

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What People are saying

Lee Burk★★★★★
May 26, 2025✓ Verified PurchaseUnited States
An amazing storyteller! The series keeps getting better.
Kindle Customer★★★★★
May 16, 2025✓ Verified PurchaseUnited States
Another excellent story in the series. Willis never disappoints. Ready for the next one!
Sally H. Robertson★★★★★
April 20, 2025✓ Verified PurchaseUnited States
I really hope the series doesn’t end after book 12. Planning to re-read it all again soon.
Rich Catapano★★★★★
April 18, 2025✓ Verified PurchaseUnited States
Alex is growing despite his magical limitations. The book reminds me of Thor losing his powers to learn humility. Great character development and intrigue.
Kindle Customer★★★★☆
April 14, 2025✓ Verified PurchaseUnited States
Fascinating worldbuilding that’s kept me hooked for 11 books. Can’t wait to see what’s next.
Cindy K.★★★★★
March 7, 2025✓ Verified PurchaseUnited States
Devoured the entire series and already prepurchased book 12. Love that good triumphs over evil.
Kindle Customer★★★★★
March 2, 2025✓ Verified PurchaseUnited States
This and Jim Butcher’s books are my favorites. Exceptional worldbuilding, detail, and polish. Few writers match their quality.
M L Etchison★★★★★
February 5, 2025✓ Verified PurchaseUnited States
A breather book in the Arcane Casebook series. Alex is cut off from his magic and must rely on his detective skills. A slower pace, but necessary and reflective. Character growth and world evolution are strong.
alan crawford★★★★★
December 17, 2024✓ Verified PurchaseUnited Kingdom
Another page-turner. Finished book 11 and now eagerly waiting 11 months for book 12. Will read Dan’s other books to cope!
Roel steenbergen★★★★★
October 31, 2024✓ Verified PurchaseNetherlands
Finished it quickly and now can’t wait for book 12! Great continuation of the series.
Brian★★★★★
October 20, 2024✓ Verified PurchaseAustralia
Alex battles a magical curse affecting his foot and runic ability. A great mix of mystery and character struggle.
Amazon Customer★★★★★
October 19, 2024✓ Verified PurchaseCanada
Excellent read! Dan Willis has created a consistent and immersive world. All books have been great.
Christopher★★★☆☆
October 16, 2024✓ Verified PurchaseGermany
Good book but has logic gaps and an unresolved cliffhanger. Wanted more focus on Moriarty and new threats. Still enjoyable.
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Get the Full Arcane Casebook Collection, featuring books 1-10. All books will be individually signed by Dan Willis and shipped to your doorstep.

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