In celebration of the release candidate of Ionic's version 1.0, publishers are offering time-limited promotions on several Ionic and related books, including "Ionic in Action" by Jeremy Wilken, "Apache Cordova in Action" by Raymond Camden, and "AngularJS in Depth" by David L. Aden and Jason L. Aden, all available at a 50% discount using the code if50 until March 26, 2015. The announcement encourages readers to subscribe to the newsletter for regular updates without spam. Additionally, related posts on the blog discuss topics such as Capacitor, creating fast Progressive Web Apps (PWAs) with SvelteKit and Ionic, and various global Ionic events.