Books like No Exit

\ "Strain 7 killed half the world. Strain 8 will be worse."\ When we last left off, Keely was trying to contact her mom, trying to convince her that there is a maniac trying to create a new Strain that could kill more people. And she comes.But more trouble lies ahead. How will they sneak back into Novo Mundum under the watchful eyes of the Slattery brothers? And the biggest fear of them all: have they already been exposed to Strain 8?Did it really take me 2 weeks to finish a book with 247 pages? .-. Not that it wasn't interesting, but I had a lot of things to do concerning school. Anyway...I believe this book took a step down from the third one. Character development was still the same, they were still real teenagers with relationship drama, as we are. Especially with the new relationship of (view spoiler)[ Keely and Michael! They seemed perfect since the beginning, tbh. :3 (hide spoiler)]