Google Play services is used to update Google apps and apps from Google Play.
This component provides core functionality like authentication to your Google services, synchronized contacts, access to all the latest user privacy settings, and higher quality, lower-powered location based services.
Google Play services also enhances your app experience. It speeds up offline searches, provides more immersive maps, and improves gaming experiences.
Apps may not work if you uninstall Google Play services. Mankell-Pyramid

The titular story follows veteran Wallander as he connects a downed mystery plane to the murder of two elderly sisters. Why It Matters The Pyramid: Kurt Wallander: Mankell, Henning - Amazon.com
A young rookie on the beat in Malmö investigates a mysterious death that he suspects is more than just a suicide.
The Pyramid (Swedish title: Pyramiden ) is a collection of five short stories that serve as the chronological beginning of Inspector Kurt Wallander's career. While published in Sweden in 1999—after several of the main novels—it fills in the vital backstory that fans had long craved. What’s Inside?
Wallander, now middle-aged, tackles a complex poisoning case.