Day of the Dinosaur

For the L. Sprague de Camp work, see The Day of the Dinosaur.

Day of the Dinosaur is the 128th book in The Hardy Boys series, written by Franklin W. Dixon.

Plot summary

When the Hardy Boys sign on to help prepare for opening day of the new Bayport museum's dinosaur park, the teenage sleuths discover that a deadly, high-tech saboteur is out to put the museum out of business, forever.