Robots VS Aliens [Book 1 of 4]

It is the year 3014 and the whole city of Washington D.C is under attack! Aliens invade Washington in hopes of finding a scientist. The scientist is an award winning scientist named, Nae Tidal. Nae invents a robot turtle that is waterproof and has the abilty to turn into a human! She named it Terminator Turtle, or TT...