June 21st Father's Day! All the best gift ideas.  Shop NowJune 21st Father's Day! All the best gift ideas.  Shop Now
eBook
$6.99
Membership Card Icon
Collect stamps to save with Rewards. 10 stamps = $5. Learn More
Select a store to view item availability.

Available on compatible , the free NOOK App, and in My Digital Library

NOOK App

Download NOOK app

NOOK Devices

NOOK eReaders

  • NOOK GlowLight 4 Plus
  • NOOK GlowLight 4e
  • NOOK GlowLight 4
  • NOOK GlowLight Plus 7.8"
  • NOOK GlowLight 3
  • NOOK GlowLight Plus 6"

NOOK Tablets

  • NOOK 8.7" Reading Tablet
  • NOOK 9" Lenovo Tablet
  • NOOK 10" HD Lenovo Tablet
  • NOOK Tablet 7" & 10.1"
  • NOOK by Samsung Galaxy Tab 7.0 [Tab A and Tab 4]
  • NOOK by Samsung [Tab 4 10.1, S2 & E]

Free NOOK Reading Apps

  • NOOK for iOS
  • NOOK for Android

BN.com website

Go to your Digital Library in My Account

Limit 1 per customer
The ocean covers about 70 percent of the earth’s surface—a whole world, yet unknown to humanity…and in its depths a nation, thousands of meters beneath the waves.There, the mermaid Jo has been whiling away her days in peace. But that tranquility is shattered when her friend Ryuu is imprisoned for breaking the gravest of undersea laws: Their existence must be kept hidden from the people above. But why would Ryuu let the secret slip? And who did she tell? The curtain rises on Jo’s adventure t...