Don't look back

Reading a book that is all in present tense is strange. No past tense at all. Everything moves forwards. "He ran down the hall" doesn't exist, "He is running down the hall" replaces it. It's strange. Usually books have past tense in them. But not the one I just . . . see? How do I say that without past tense? I don't know. It's strange, always looking forward, never looking back.