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Book 3 in  Series

From New York Times bestselling author Gail Carriger comes the delightful sequel to Imprudence.


All alone in Singapore, proper Miss Primrose Tunstell must steal helium to save her dirigible, in a scheme involving a lovesick werecat and a fake fish tail.

When she uncovers rumors of a new kind of vampire, Prim and the Spotted Custard crew head to foreign climes only to be thwarted by airship pirates and strange atmospheric phenomena.

Forced into extreme subterfuge (and some rather ridiculous outfits) Prim must also answer three of life’s most challenging questions:

  • Can the perfect book club give a man back his soul?
  • Will her brother ever stop wearing his idiotic velvet fez?
  • And can the amount of lard in Christmas pudding save an entire species?

This is basically A Discovery of Witches meet Emma Donoghue. The Custard Protocol series is perfect for fans of Becca Andre or Genevieve Cogman. If you want more lesbian romance from Gail Carriger try Romancing the Inventor.

Delicate Sensibilities?

This adventure contains women pleasing women and ladies who are also lionesses and know what they want and pursue it, sometimes in exquisitely deadly detail. (The tassels are going down.)

Are you outside the USA / Canada?

You should be able to get print or digital at you preferred vendor:

UK AmazoniBooks | Kobo

Your local bookstore should be able to get it for you, ask them to “Order it from Ingram.”

Why are there two different covers?

Concerned about anything to do with the two different editions? Gail did a video for you!

Want more lesbian romance from Miss Gail? Try Romancing the Inventor.


Competence was an Amazon, Borderlands, and Locus bestseller.

Praise for Competence

“Recommend this amusing romp to steampunk and LGBT+ readers looking for suspenseful and romantic fantasy.”


“Carriger excels at wry humor and clever phrasing, and her ensemble cast is thoroughly charming and satisfyingly diverse. There’s a genuine sense of whimsy and fun running throughout this story, making it a treat for fans of the series.”

Publisher's Weekly

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