Investigative Duo Romance

1.
A Curious Beginning (Veronica Speedwell, #1)
A Curious Beginning (Veronica Speedwell, #1) 3.96 avg rating — 56,444 ratings
2.
Silent in the Sanctuary (Lady Julia Grey, #2)
Silent in the Sanctuary (Lady Julia Grey, #2) 4.05 avg rating — 18,127 ratings
3.
Silent in the Grave (Lady Julia Grey, #1)
Silent in the Grave (Lady Julia Grey, #1) 3.91 avg rating — 27,221 ratings
4.
Possession
Possession 3.90 avg rating — 83,131 ratings
5.
Corpse de Ballet (Nine Muses, #1)
Corpse de Ballet (Nine Muses, #1) 3.31 avg rating — 94 ratings
6.
And Only to Deceive (Lady Emily, #1)
And Only to Deceive (Lady Emily, #1) 3.76 avg rating — 21,353 ratings
7.
Partners in Crime (Tommy & Tuppence Mysteries, #2)
Partners in Crime (Tommy & Tuppence Mysteries, #2) 3.78 avg rating — 23,741 ratings
8.
And Dangerous to Know (Rosalind Thorne Mystery #3)
And Dangerous to Know (Rosalind Thorne Mystery #3) 3.95 avg rating — 2,562 ratings
9.
A Purely Private Matter (Rosalind Thorne Mysteries, #2)
A Purely Private Matter (Rosalind Thorne Mysteries, #2) 3.87 avg rating — 3,344 ratings
10.
A Useful Woman (Rosalind Thorne Mysteries, #1)
A Useful Woman (Rosalind Thorne Mysteries, #1) 3.85 avg rating — 5,215 ratings
11.
Murder, Mayhem, and a Fine Man (Amanda Bell Brown Mystery, #1)
Murder, Mayhem, and a Fine Man (Amanda Bell Brown Mystery, #1) 3.90 avg rating — 291 ratings
12.
The Secret Adversary (Tommy and Tuppence Mysteries, #1)
The Secret Adversary (Tommy and Tuppence Mysteries, #1) 3.85 avg rating — 68,877 ratings