4 books in series

The Custard Protocol

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

#1
Prudence

#1 of 4 in The Custard Protocol

2015 • 99 Readers • 384 pages • 3.7

#2
Imprudence

#2 of 4 in The Custard Protocol

2016 • 56 Readers • 352 pages • 3.9

#3
Competence

#3 of 4 in The Custard Protocol

2018 • 45 Readers • 3.9

#4
Reticence

#4 of 4 in The Custard Protocol

2019 • 32 Readers • 358 pages • 4.3