The Return Book Two in the Dark Start series

It's coming back, and it's going to kill everyone before it is stopped again. The last time that Joe was seen was when he fell into the pit of the lab. Now he's back, three months later.
His mom moved away and left him so Joe is on his own, and being hunted. Joe needs to assemble with his old crew and stop the monster before it's to late.
This is book two in The Dark Start series.