Here are links I found interesting on January 21, 2012:

• Hands on: iBooks Author effortless to use, but iPad-only – First look at iBooks Author.
• Four open questions about iBooks Author – Macworld magazine asking stupid questions.
• Storm from sun to strike Earth on January 21, 2012. Aurora alert. – Cool.
• On the Proprietary Nature of the iBooks Author File Format – Panties in a knot over iBooks Author? Gruber to the rescue. (Are we the only ones who get it?)