An alternative version of Mastering Public Relations is available at LibreTexts.
Many more eBooks are available to access through PeaySearch. Try this strategy that searches for the subject keyword "modern history" in books that are available online.
Description: exploring cross-cultural encounters in the early modern world
There is a new podcast available each week at The Global History Project
Description: This week in history: June 8-14: Serena Williams wins her first French Open singles; Holy Roman Emperor Frederick I drowns in the Saleph River; Mount Pinatubo explosions; historic meeting North and South Korea; 1st transport of prisoners to Auschwitz.
Description: History of the World attempts to tell the story of humans from Prehistoric times, through the Ancient Period, Middle Ages, and Modern History in a concise movie. It's meant for people who want to have a basic understanding of the major events of human history.