* [Building Secure & Reliable Systems](https://static.googleusercontent.com/media/landing.google.com/en//sre/static/pdf/Building_Secure_and_Reliable_Systems.pdf) - Heather Adkins, Betsy Beyer, Paul Blankinship, Piotr Lewandowski, Ana Oprea, Adam Stubblefield (PDF)
* [Building Secure & Reliable Systems](https://static.googleusercontent.com/media/landing.google.com/en//sre/static/pdf/Building_Secure_and_Reliable_Systems.pdf) - Heather Adkins, Betsy Beyer, Paul Blankinship, Piotr Lewandowski, Ana Oprea, Adam Stubblefield (PDF)
* [Code Simplicity: The Fundamentals of Software](https://www.codesimplicity.com/book.pdf) - Max Kanat-Alexander (PDF)
* [Code Simplicity: The Fundamentals of Software](https://www.codesimplicity.com/book.pdf) - Max Kanat-Alexander (PDF)
* [Designing Event-Driven Systems. Concepts and Patterns for Streaming Services with Apache Kafka](https://assets.confluent.io/m/7a91acf41502a75e/original/20180328-EB-Confluent_Designing_Event_Driven_Systems.pdf) - Ben Stopford (PDF)
* [Developing Reactive Microservices](https://info.lightbend.com/COLL-20XX-Developing-Reactive-Microservices_Landing-Page.html) (email address *requested*, not required)
* [Developing Reactive Microservices](https://info.lightbend.com/COLL-20XX-Developing-Reactive-Microservices_Landing-Page.html) (email address *requested*, not required)