Little plastic cube that baffled 100 million people

Erno Rubik provides an honest account of how he came to invent the Rubik's cube which continues to baffle the world. In his memoir he describes discovering the cube rather than inventing it. https://www.dailymail.co.uk/home/books/article-8943489/Little-plastic-cube-baffled-100-million-people.html?ns_mchannel=rss&ns_campaign=1490&ito=1490