Sunny Starscout and Hitch Trailblazer's cutie marks get switched in an all-new adventure in Maretime Bay.

An introduction to horses and ponies describes their physical characteristics, lifecycle, behavior, senses, care requirements, diet, popular breeds, and equestrian sports.

The same day Marcie learns that she will have to wait longer for the pony she yearns for, she meets Comet, a magical pony who needs her help to find his twin sister.

"Twilight Sparkle, a very special pony and a loyal apprentice of Princess Celestia, sets off on an adventure to find the Crystal Heart Spell and learn to be a true leader"--Provided by publisher.

"Princess Luna, the guardian of the night, peacefully rules over Equestria alongside her big sister. When the Cutie Mark Crusaders suggest she should have a holiday as equally prestigious as Celestia's Summer Sun Celebration, she declines. Luna isn't comfortable with such attention--especially after all the terror she caused as Nightmare Moon. So when she realizes Celestia is orchestrating a surprise Festival of the Winter Moon, she decides to have...

A lot has been happening in Ponyville! Princess Twilight Sparkle now has a castle and a magical map that directs her and her closest pony pals to friendship problems that need fixing all over Equestria. Twilight Sparkle, along with Applejack, Rarity, Fluttershy, Rainbow Dash, and Pinkie Pie share the message of friendship to both longtime friends and new friends they meet in this newest season.

Princess Pinecone would like a real war horse for her birthday, instead of which she gets a plump, cute pony--but sometimes cuteness can be a kind of weapon, especially in a fight with dodgeballs and spitballs and hairballs and squareballs.