Things Series by Andrew Clements

Bobby Phillips is an average fifteen-year-old boy. Until the morning he wakes up and can't see himself in the mirror. Not blind, not dreaming. Bobby is just plain invisible... There doesn't seem to be any rhyme or reason to Bobby's new condition; even his dad the physicist can't figure it out. For Bobby that means no school, no friends, no life. He's a missing person. Then he meets Alicia. She's blind, and Bobby can't resist talking to her, trusting her... moreBobby Phillips is an average fifteen-year-old boy. Until the morning he wakes up and can't see himself in the mirror. Not blind, not dreaming. Bobby is just plain invisible... There doesn't seem to be any rhyme or reason to Bobby's new condition; even his dad the physicist can't figure it out. For Bobby that means no school, no friends, no life. He's a missing person. Then he meets Alicia. She's blind, and Bobby can't resist talking to her, trusting her. But people are starting to wonder where Bobby is. Bobby knows that his invisibility could have dangerous consequences for his family and that time is running out. He has to find out how to be seen again before it's too late. less

When Gwen�s grandfather disappears from their home in New York City, he leaves a message saying not to worry�but it�s hard when Gwen has upcoming violin auditions at Julliard! But then she meets Robert, a fellow musician, and things seem to look up. At the same time, there are other forces in motion, like the scary great uncle who keeps coming by, and the strange man Gwen sees one day when shopping. Then the even stranger story Robert tells her about what she saw... moreWhen Gwen�s grandfather disappears from their home in New York City, he leaves a message saying not to worry�but it�s hard when Gwen has upcoming violin auditions at Julliard! But then she meets Robert, a fellow musician, and things seem to look up. At the same time, there are other forces in motion, like the scary great uncle who keeps coming by, and the strange man Gwen sees one day when shopping. Then the even stranger story Robert tells her about what she saw. And finally, the discovery that brings their worlds to a halt, uniting Gwen and Robert in ways neither of them could have foretold. In this remarkable follow-up to the wildly popular Things Not Seen, Andrew Clements brings readers a multi-layered story all about art, friendship, love, and life. less

Alicia may be blind, but that doesn't mean she can't see what is happening right in front of her eyes. Like how her parents try to give her freedom. Or how Bobby now Robert has returned to figure out their relationship. Or even the invisible man, William, and just how dangerous he is to Alicia, to Robert, to their whole family or so the police say. Or is Alicia wrong this time? If her normally sharp instincts are wrong, the results could be disastrous... moreAlicia may be blind, but that doesn't mean she can't see what is happening right in front of her eyes. Like how her parents try to give her freedom. Or how Bobby now Robert has returned to figure out their relationship. Or even the invisible man, William, and just how dangerous he is to Alicia, to Robert, to their whole family or so the police say. Or is Alicia wrong this time? If her normally sharp instincts are wrong, the results could be disastrous.From award-winning author Andrew Clements, here is a novel full of adventure, romance, and mystery, which at its heart is about trusting even things we know but cannot see. less