A recently released book claiming that the missing Malaysia flight MH370 may have been accidently shot down has already met with a lot of criticism and controversies.

In his book "Flight MH370: The Mystery," author Nigel Cawthorne makes the incredible allegation that the airline was shot down by U.S.-Thai strike fighters as part of a training drill that went horribly wrong.

The grieving family of missing Malaysia Airlines Flight MH370 have criticized the timing of the book, calling it "too insensitive" and "too soon", considering it has been only 71 days since the Boeing 777 vanished carrying 239 people from 14 nations.

The book also claims search parties were deliberately sent in the wrong direction as part of a cover up.

 "There's absolutely no answers. It's devastating for the families," Irene Burrows, mother of missing Brisbane man Rod Burrows said, according to Daily Mail.  "There are so many theories that I only want to believe one, that they were all unconscious and didn't know what was going on ... That keeps me sane. All I want is for somebody to find a bit of plane."

She said both her and husband George are still trying to understand what happened, and that a book full of conspiracies does nothing to alleviate the pain of losing their son.

Cawthorne, who lives in London, says on his website that he has written more than 150 books, including the "Sex Lives" series, which examines the private lives of popes, US presidents and "Great Dictators".

His book on MH370 says the failure to find wreckage is "in itself is suspicious" and that even if the plane's black box is eventually found, it may not be the original black box.

Meanwhile the search for the plane continues. Led by Australia their ship Ocean Shield carrying a robot submarine, the Bluefin 21, has returned to survey the ocean floor for MH370's black box.