My Little Pony books up for pre-order on Amazon

Several books, including those from Little Brown Books for Young Readers' My Little Pony line, are up for pre-order on Amazon. Prices are subject to change after release.

Twilight Sparkle and the Crystal Heart Spell
Price: $5.99
Release date: April 2, 2013

Welcome to Equestria!
Price: $3.99
Release date: April 2, 2013

Meet the Ponies of Ponyville
Price: $3.99
Release date: April 2, 2013

Under the Sparkling Sea (pictured above)
Price: $9.75
Release date: April 23, 2013

I Love to Draw: My Little Pony
Price: $7.99
Release date: June 11, 2013

Pinkie Pie and the Rockin' Ponypalooza Party!
Price: $5.99 ($4.99 Kindle Edition)
Release date: July 2, 2013