A preschool science book works when it starts with a question the child already asks. Why is the moon following the car. What does that animal do with a tail like that. Who figures things out for a job.
Ada Twist and Rosie Revere are stories first. Somebody tries, fails, and tries again. Read those when you want a character. The Watcher and On a Beam of Light are closer to a biography, so use them on a calm afternoon when you can talk about the pictures.
The Magic School Bus on the Ocean Floor is the loud one. Ms. Frizzle turns a field trip into a dive. What Do You Do With a Tail Like This? is the one to keep in the bag, because you can open any page and play the guessing game.
Stop while they are still asking questions. A science picture book that you finish too fast gets a second reading tomorrow.
Write one of their questions on a scrap of paper and leave it in the book. The next reading can start there, instead of at page one every time.
