<p>At United Middle School the lights flicker whispers echo through the halls and clues never stay hidden for long.</p><p>When strange things start happening-shadows that move on their own lockers that seem to talk messages written in invisible ink and even light bulbs that vanish overnight-Principal Thompson calls in the school's best detectives: Jake Emily Amy and Max better known as <em>The Young Investigators.</em></p><p>With sharp minds quick teamwork and a knack for noticing what others miss the four friends follow the clues through science labs hallways and classrooms to uncover the truth behind every mystery.</p><p>Packed with clever twists humor and heart the <em>United Middle School Mysteries</em> remind readers that friendship curiosity and courage can solve even the trickiest cases-one clue at a time.</p>