Rating: 
Summary: Fantastic Fantasy
Review: A Review by Colton Two identical twins Barry and Harry krasner, Harry is a rough kind of guy who is athletic and in the story he makes a suggestion to watch over there uncles empty farm. Harry who is very different he is gentle and sensitive he thinks, sure why not hoping that they would become close more like brothers instead of rivaling friends or enemies. The people who live near the farm house stay away because there is something scary and chilling about that old abandoned farm house. There is a shed that is locked on there property and they think all these creepy feelings are coming from there what they find in side is crazy and I love the phrase on the front "it's not just a play house it is a portal into terror."
And it's not a play house it is a shed I hate that when people do dumb things like that.
And it was really interesting. You should read this book and find out what is in that locked shed it will surprise you
Rating: 
Summary: The Book For Sci-Fi Readers
Review: For all the sci-fi fans out there in search of a good book, I strongly recommend this book to all of you (if you are not a sci-fi fan I still recommend this book to u). This book has is just typically meant for sci-fi readers because this has all the requirements for it being a successful sci-fi book. The book is simply just an awesome book to read because the author, William Sleator is cool guy. He is very clever in making different sci-fi books. I mean he as actually created theories that make sense. Like in this book he has actually created a theory of some sort of abandoned shack or shed that speeds up time, when inside of it. The reason behind this "time warp" is because that shed lies on some sort of black hole.
Another aspect that Sleator Created are the feelings and personalities of the main characters of the book of this book is the feelings and personalities of the main characters in this book. The two main characters are twins, Harry and Barry. Their personalities are completely opposite. Barry is the strong, athletic, and bossy one while Harry is the smart, weak and sensitive one. Barry being the stronger always bosses and bullies Harry around. This makes you feel sympathetic towards Harry because of the way he feels about his brother. For example he is sick of being the weaker one or he wishes that he wants them to be more like brothers than rivals. BUT all of this changes when Harry decides to hide/stay in that mysterious shed over night. I recommend all readers especially sci-fi readers to read this book because throughout the book there are many twists and the ending is quite surprising. Also I recommend read other books done by Sleator because them too are just as good as this book
Rating: 
Summary: amazing time travel book
Review: Harry and Barry are identical twins. Unfortunately Barry, the more aggressive twin is bossy and dislikes Harry. They get placed in an odd dead relative's house all alone. Fortunately their skinny dipping female neighbor is able to explain to them the odd time effects on their property (while wearing clothes of course- this is a teen book after all). They eventually figure out the secret of time travel (something to do with being right behind a black hole). Unfotunately the secret of time travel is that it takes long amounts of time and is incredibly boring to boot (totally not worth it in my book). Harry of course sees this as a method to escape his evil brother's influence and emerges as a naked indian brave (of course he is not an indian brave- he's just naked with long hair). Needless to say- he and the skinny dipping female neighbor hit it off and the evil aggressive brother gets left in the dust. How mr sleator makes something as boring as time travel in this book become exciting is the real magic here. 5 stars on inventfulness and character development.
Rating:
Summary: Fairly good for early scifi readers
Review: I first read William Sleator when I was 6,(I'm not 15) and I think that his books are probably the most suitable for ages 6-10. His physics seem to be OK, but in general his aliens are improbable, as are his plots. That being said, when I read Singularity, I enjoyed it a lot. It's probably the most stable of all his scifi books, because it deals more with people than with aliens or physics. I guess I'd recommend it, but if you're looking for real hard scifi, I'd suggest Larry Niven; his early books are good to read for Sleator graduates. --Brendan O'Kane
Rating:
Summary: One of the best books I've ever read!
Review: I loved this book, I couldn't put it down. I read a lot of books and it's hard to pick favorites, but this one is definetly one.
Rating:
Summary: It was really good.
Review: I would of prefered to give this book 4.5 stars, but that was not an option. A little childish, but it is good science-fiction. Some of the statements don't seem to ring true through the entirety of the book. A good, pleasurable book. I just wasn't quite all the way there in the sci-fi section.
Rating:
Summary: Let's face it...
Review: Lets face it. Sleator has made a lot of garbage lately. His best books were made in his prime, which ended maybe 7-8 years ago, and include: Others See Us, Oddballs, House of Stairs, Interstellar Pig, The Green Futures of Tycho and, of course, Singularity. In these books he treated the audience intelligently and dealt with science fiction problems in new ways, while keeping the reader sympathizing with the main character.
I'll summarize the plot quickly. Barry and Harry are twins, but Barry is strong and popular, and he bullies Harry, who is weak. Harry, eventually getting fed up, locks himself inside a room that holds a singularity, where time flies inside the room while time slows to a crawl outside. He keeps himself in the room for a year while a night passes on the outside world.
The best part of Singularity was not the psychological rivalry between the twins, but how Harry managed to keep himself sane through a regimented routine of diet, exercise, meditation and reading. I found it very interesting how someone could find inner peace, and grow up to be a man, through such a regimented, solitary program.
Rating: 
Summary: Spectacularly... disapointing
Review: Mabye I'm biased because this is a manditory school reading book, but I really hated it. This book is about 2 twins, Harry and Barry Krasner, who go off to live at their uncle's old house for a while. Barry is a control freak who has almost absolute power over Harry, and always makes him feel stupid, and Harry in the beginning is a wuss but becomes psychotic along the way. This book is definently not worth buying, but if you really want to, use the library so you can at least give back the book.
Rating:
Summary: Join Harry and Barry in an adventure of space and time...
Review: Singularity is about two teenage brothers who decide to stay at their uncle's abandoned house for the summer. But shortly after they arrive, they discover a strange "playhouse" in their backyard and realize how much stranger it is from the inside... After coming into acquaintance with a girl who lives nearby, they learn of old legends surrounding the area: how cattle have mysteriously disappeared only leaving piles of bones in their place... The three of them search for the truth regarding these mysteries and investigate the strange and eerie house of their deceased uncle. But the more they search, the more the answers seem to point to the same place- The Playhouse. Singularity is a story involving time warps, parallel worlds and intergalactic monsters. It is definitely a wild ride, and highly recommended to anyone who is the least bit interested in theories of time and space- or just in the mood for a fast paced adventure.
Rating:
Summary: "This is one of the greatest book's ever! "
Review: Singularity is great because it is really mysterious. They are going on a trip and the twins think their grandpa is weird. They look around the house. Then they find keys to a playhouse. They found out that someday something horrible is going to go through singularity.
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