CentOS Stream 9 Essentials: Learn to Install, Administer, and Deploy CentOS Stream 9 Systems

Fedora 31 Essentials

Ubuntu 18.04 Essentials: Learn to install, administer and use Ubuntu 18.04

Red Hat Enterprise Linux 9 Essentials: Learn to Install, Administer and Deploy RHEL 9 Systems

Jetpack Compose 1.8 Essentials: Developing Android Apps with Jetpack Compose 1.8, Android Studio, and Kotlin

Android Studio Narwhal Essentials - Compose Edition: Developing Android Apps with Android Studio, Jetpack Compose, and Kotlin

Android Studio Ladybug Essentials - Kotlin Edition: Developing Android Apps Using Android Studio Ladybug and Kotlin

Jetpack Compose 1.3 Essentials: Developing Android Apps with Jetpack Compose 1.3, Android Studio, and Kotlin

Android Studio Meerkat Essentials - Compose Edition: Developing Android Apps with Android Studio, Jetpack Compose, and Kotlin

Android Studio Narwhal Essentials Kotlin Edition: Developing Android Apps Using Android Studio Narwhal and Kotlin

Android Studio Meerkat Essentials - Java Edition: Developing Android Apps Using Android Studio Meerkat and Java

Android Studio Koala Essentials - Java Edition: Developing Android Apps Using Android Studio Koala Feature Drop and Java

Android Studio Ladybug Essentials - Java Edition: Developing Android Apps Using Android Studio Ladybug and Java

Android Studio Narwhal Essentials - Java Edition: Developing Android Apps Using Android Studio Narwhal and Java

Android Studio 4.1 Development Essentials - Java Edition

Android Studio Development Essentials

Android Studio 4.1 Development Essentials - Kotlin Edition

Ruby Programming Essentials

Jetpack Compose 1.6 Essentials: Developing Android Apps with Jetpack Compose 1.6, Android Studio, and Kotlin

Android Studio 3.6 Development Essentials - Kotlin Edition: Developing Android 10 (Q) Apps Using Android Studio 3.6, Kotlin and Android Jetpack