Suggestions

What I read regularly

• Publishers Lunch (from Publishers Marketplace)
• Publishers Weekly
• The New Publishing Standard (TNPS)
• Superhuman (AI industry)
• Hot Pod (Podcast industry)

To deepen understanding of the publishing industry

• Jane Friedman
• Nathan Bransford
• Kathleen Schmidt 
• Lauren Kay

To begin writing for children & young adults

• The Society of Children's Book Writers and Illustrators (SCBWI)
• 12x12 Challenge - A picture book community & writing challenge
• Common Sense Media -  kid's media ratings and reviews

To learn about audiobook publishing 

• The Audio Publishers Association (APA) and their annual Audie Awards 
• The Spoken Word Audio Report (from NPR and Edison Research)
• Audiofile Magazine