Uptime, downtime
By: by John Peel.
Publisher: Simon & Schuster Books for Young Readers
Published: 1992
Place of publication: New York
Language: eng
Number of pages: 242
Subjects: Time travel -- Fiction.; Science fiction.
Description: When fourteen-year-old Karyn and her thirteen-year-old brother Mike discover that they can travel through time merely by concentrating on a specific place and date, they encounter other time travelers and have strange adventures while debating how to use their new talent.