Thanks to the teams at 9elements, Diebold Nixdorf and Keysight Technologies for the opportunity to work on first-class Angular applications.

Thanks to Netanel Basal for valuable feedback on the book, for creating Spectator and for many helpful blog posts on Angular and testing.

Thanks to Nils Binder for helping with the design, including the dark color scheme.

Thanks to Tim Deschryver, Kent C. Dodds, Kara Erickson, Asim Hussain, Tracy Lee and Brandon Roberts for insights on Angular, RxJS and automated testing.