In today's daily links, an upcoming documentary about rock and blues guitarist Eric Clapton, the world's finest uncut opal, self-help books and a photography newsletter.

• "A Life in 12 Bars" – a documentary about rock and blues guitarist Eric Clapton in the works. (Rolling Stone)
• The South Australian Museum in Adelaide, Australia, now displays the world's finest uncut opal called the Fire of Australia discovered in 1946, worth more than $675,000. (CNN)
• 'The Self-Help Game' – an article by Rami Gabriel, associate professor of psychology in the Department of Humanities, History, and Social Sciences at Columbia College Chicago, in which he asks if self-help books really work or if what we really need is more how-to manuals. (Aeon)
• FlakPhoto Digest – a weekly newsletter devoted to photography and visual culture.

Men, men and men in today's daily links.

• House Speaker Paul Ryan is a medical mystery (satire) – The New Yorker
• allmalepanels is a Tumblr page devoted to panels, seminars and events that featuring only male experts
• Johnny Depp's $2 million monthly spending – The Telegraph

Todays links cover everything from bottled air from Canada to how to make the coolest holiday cake.

• From The New York Times – "The Art of Turning Around an Airplane".
• A Canadian company sells bottled air from Banff and Lake Louise to China.
• Mark Wahlberg and Dwayne Johnson hit with a copyright lawsuit regarding the TV series "Ballers".
• This must be one of the best looking cakes ever made – the Plaid Lumberjack Cake.

Here is today's links:

• How to make a leopard milk bread.
• DailyTekk's list of the 100 best, most interesting blogs and websites of 2015.
• Illustrator Christoph Niemann's witty illustrations of the "joy" of flying.
• "More time being, not doing!" – Sanctuary Spa's campaign encourages young women to cut down the to-do-list to live a more fruitful life.

Featured image: From Christoph Niemann's visual diary Red Eye.