Best-Selling Robert Galbraith Books

Every Robert Galbraith title to chart on Amazon UK between 2020 and 2026, ranked by how high each climbed and how long it kept selling — 4 books in all.

← All authors Best-selling books overall
#1 — The Hallmarked Man: Cormoran Strike Book 8

The Hallmarked Man: Cormoran Strike Book 8

Peaked #28 · 2025

4.6
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#2 — The Running Grave: Cormoran Strike Book 7

The Running Grave: Cormoran Strike Book 7

Peaked #31 · 2023

4.7
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#3 — The Ink Black Heart: Cormoran Strike, Book 6.

The Ink Black Heart: Cormoran Strike, Book 6.

Peaked #32 · 2022

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#4 — Troubled Blood (Cormoran Strike 5)

Troubled Blood (Cormoran Strike 5)

Peaked #38 · 2020

4.7
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Ranking is derived from the Amazon UK book bestseller charts for every year from 2020 to 2026. Each title scores on both how high it climbed and how many years it kept selling; editions are de-duplicated. Browse another author →