Measurement: The Measured Mystery Today is your birthday! One of your presents is hidden and you must follow a series of clues to find it. But before you can, you will need to know how to measure, weigh, and time things in order to find your present. Read Measurement: The Measured Mystery and start looking for your gift! iScience Readers put the focus and fun on scientific inquiry! Each book introduces science fundamentals through a science puzzle and related hands-on activities. Critical thinking skills are strengthened through exploring science concepts and applying them to the real-world situations that the puzzle introduces. Three levels offer increasingly more challenging text and problem-solving activities. A Simple science concepts and activities in 24 pages B Science concepts and activities in 32 pages C More in-depth science concepts and activities in 48 pages.