Teamwork

Books

• 
  The Great Gizmo Derby

  An inventor hunts a soapbox wheel thief

  Ages 6–9 · 7 chapters · 29 min

• 
  The Secret of Oxford Elementary

  Two boys find otters living below their school

  Ages 5–7 · 9 chapters · 1 hr 5 min

• 
  The Great Flood Mystery

  Young otters break a water main under school

  Ages 5–7 · 9 chapters · 53 min

• 
  The Strawberry Creek Stain

  A creek turns red and an otter starts glowing

  Ages 5–7 · 6 chapters · 1 hr 9 min

• 
  The Winter Storm Patrol

  Junior otter inspectors face a winter storm

  Ages 5–7 · 8 chapters · 36 min

• 
  The Adventure Begins

  Two brothers open their very first portal

  Ages 4–8 · 6 chapters · 36 min