How many of His Dark Materials Series have beeen sold?

While the exact number of copies sold for the His Dark Materials series is not publicly available, it's safe to say that the series has sold millions of copies worldwide.

Here's why:

* Critical and commercial success: The books have won numerous awards, including the prestigious Carnegie Medal and the Whitbread Book of the Year.

* Adaptions: The series has been adapted into a successful BBC television series and a feature film, which significantly boosted its popularity.

* Long-lasting appeal: The books have remained popular for over two decades, indicating a lasting appeal for readers of all ages.

Given these factors, it's highly likely that the series has sold well over 10 million copies.