Colorado Gov. John Hickenlooper shows off his socks--one with Democratic presidential candidate Bernie Sanders and the other with Republican candidate Donald Trump – before entering his former brewpub for a book signing event to mark the release of his autobiography Thursday, May 26, 2016, in Denver. Hickenlooper, who is term-limited, is doing book talk rounds this week, reviving speculation that he is positioning himself to join Hillary Clinton's presidential campaign ticket. (Photo by David Zalubowski/AP Photo)

Very impressive, the RGB Colorspace Atlas is a beautiful picture book by American artist Tauba Auerbach. The book displays the full RGB gradient in 3,632 pages.

Undated David Yarrow handout photo of a gorilla as the self-taught wildlife photographer promotes his book, Encounter. (Photo by David Yarrow/Clearview/PA Wire)

A model takes a picture of photographers outside the Anna Sui show at the Strand Rare Book Room in New York on February 10, 2024. (Photo by Jeenah Moon for The Washington Post)

Shakar Rustami (L) and Zulaikha Amini, organizers of the“'Smart Way” book and painting exhibition stand in front of painting in Kabul, Afghanistan, 21 August 2023. Young female artists in Kabul held a painting exhibition to express the restrictions imposed by the Taliban on women and girls. The exhibition also featured books displayed by students to promote reading culture. Some of the girls called for the Taliban to lift the restrictions against women and girls. Many female students turned to painting and drawing after schools and universities closed. (Photo by Samiullah Popal/EPA/EFE)

A Thai devotee in a state of trance screams while holy water is sprayed as thousands race towards the edifice of the founder monk during the annual Tattoo fesitval at Wat Bang Phra on March 7, 2009 in Nakhom Pathom, Thailand. Some men take on the characteristics of sacred animals that have been carved onto their skin. Thousands of believers from all over Thailand come to take part in one of the country's most bizarre festivals about 50 miles outside Bangkok to pay respect to the temple's monks who are master tattooist. In Thai culture the tattoo or Thai word sak yant is worn as a symbol of spiritual and physical protection, many believe that the tattoo have mystical powers. Many tattoo fanatics choose to have monkeys and tigers as well as the Khmer/Cambodia ancient script on their bodies. (Photo Paula Bronstein/Getty Images)

Lucie Clayton instructs pupils in the art of correct posture by balancing a glass and book on their heads at her finishing school in Old Cavendish Street, London. (Photo by William Vanderson/Fox Photos/Getty Images). 25th November 1936

Leilani Franco has made it into the Guinness Book of World Records for the fastest human backbend walk, traveling in a backbend position a distance of 20 meters (65 ft 7.2 in) in a time of 10.05 seconds. (Photo by PA Wire)