[6] His first book started to take form in 2003, when he began compiling anecdotes and curious facts in a website.

[8] The book narrates the history from the Big Bang to the present, through curious facts.

[20][21] Barañao concentrates long periods of time in middle-sized books, originating text of very high density of information and numerous curiosities, each of which is contains a bibliographic reference.

The general tone is playful, ironic and irreverent, with continuous references to humour and sarcasm[22][23] Barañao acknowledges in his work the influence of the writer Bill Bryson.

They are those who push the historic knowledge forward, reveal new information through their research, search for sources, etc.