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

Seventeen-year-old Gwen is preparing to audition for New York City s top music schools when her grandfather mysteriously disappears, leaving Gwen only a phone message telling her not to worry. But there s nothing more stressful than practicing for her auditions, not knowing where her grandfather is, and being forced to lie about his whereabouts when her insistent great-uncle demands an audience with him... moreSeventeen-year-old Gwen is preparing to audition for New York City s top music schools when her grandfather mysteriously disappears, leaving Gwen only a phone message telling her not to worry. But there s nothing more stressful than practicing for her auditions, not knowing where her grandfather is, and being forced to lie about his whereabouts when her insistent great-uncle demands an audience with him. Then Gwen meets Robert, also in town for music auditions, and the two pair up to brave the city without supervision. As auditions approach and her great-uncle becomes more aggressive, Gwen and Robert make a startling discovery. Suddenly Gwen s hopes are turned upside down, and she and Robert are united in ways neither of them could have foretold. . . ." 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