When Neptune tells Emily and her merman father and human mother to return to Brightport to try to make merpeople and humans work more closely together, Emily faces problems with old enemies, her new, half-merfolk friend Aaron, and a mystery related to a group of legendary lost sirens.

An imaginary journey to Neptune provides facts about the planet's size, composition, temperature, winds, year, rings, and moons, and suggests some of the questions scientists would want to answer if it really were possible to travel there.

Describes the characteristics and movements of the planet Neptune and how we found out about it.

"Suit up! Neptune is a planet like no other, and it's time to explore it through a colorful design that features vibrant photography, engaging infographics, and carefully leveled text"--

"In this book, early fluent readers will learn about Neptune's unique characteristics. Vivid, full-color photos and carefully leveled text engage young readers as they learn more about the planet's defining features, composition, atmosphere, weather, gravity, moons, exploration attempts, and more. Take a Look! infographics feature a diagram showing the planet's location in the solar system as well as a diagram showing the planet's composition. Sidebars...

"Questions and answers about Neptune's appearance, features, and missions encourage inquiry-based learning for curious early elementary-age readers. A Stay Curious! Learn More feature models research skills and doubles as a mini media literacy lesson. Includes quick facts chart, infographics, glossary and index"--

"An introduction to Neptune, comets, and dwarf planets for primary and intermediate grade students with information about their features and exploration. Includes charts and diagrams, a list of highlights for each chapter, fun facts, glossary, resource list, and index"--Provided by publisher.

A study of the planets Uranus and Neptune.

Describes the characteristics of the three most distant planets in the solar system--Uranus, Neptune, and Pluto.

Introduction -- So much was at stake -- The decisive front -- The plan -- A grand deception -- The forerunners -- Pegasus bridge -- Target: Ste-Mere-Englise -- The sea and air assault -- Utah and bloody Omaha -- Sword, Juno and Gold -- The gathering standoff -- The breakout --Finale at Falaise -- The beginning of the end.