4 books in series

The Custard Protocol

The Custard Protocol is a 4-book series with 4 primary works first released in 2015 with contributions by Gail Carriger.

Prudence
#1PopularFirst

2015 • 77 Readers • 384 pages • 3.6

Imprudence
#2

2016 • 42 Readers • 352 pages • 3.9

Competence
#3

2018 • 35 Readers • 320 pages • 3.8

Reticence
#4

2019 • 23 Readers • 339 pages • 4.2