This speak: Marco's dad has a big new project at work. He's apparently developing humanity's first instance of Z-Space travel. Marco realizes the dangers involved, and of course, his father is soon made a target for Yeerk infestation. After losing his mother to the Yeerks, Marco isn't going to let his father go without a fight! But now Marco has to make a choice. Because this time, his actions have dire consequences, and his father's life hangs in the balance. Can Marco, the Animorphs, and their alien friend ol' what's-his-name, Tax? Or Brax? Can they save Marco's dad? Will they have time to jam in some Visser One side plot? And does anyone still have their copy of the demo of the Animorphs PC game that came with this book??  All that and more as we review Animorphs book 45: The Revelation.