This week in children's apps features two picture books becoming interactive e-books: Dr. Seuss's classic There's a Wocket in My Pocket! teaches children about unknown creatures that have names that rhyme with objects. And Robert McConnell narrates his own book in Norbert Nipken, which also features art by a Pixar veteran.

Title: There's a Wocket in My Pocket!

Publisher: Oceanhouse Media Inc.

Release date: August 17, 2011

Price: $2.99

Background: Dr. Seuss's rhyming story makes its way to the App Store, following imaginary creatures that can be found around the house. The book teaches children that they shouldn't be afraid of the unknown.

Features: Professional narration, picture/word association, individual words are read out loud when tapped, custom background audio for each scene, pages can pan and zoom. Features Read to Me, Read it Myself and Auto Play.

Title: Norbert Nipkin

Publisher: Skyreader Media, Inc.

Release date: August 10, 2011

Price: $2.99

Background: Robert McConnell's story becomes an interactive e-book that takes players into the world of Nipkins and Zlogs. The story is narrated by McConnell himself and the animation and illustrations are by Pixar veteran Steve Pilcher.

Features: Players can "swipe up" to skip ahead or go back. The options menu can be opened at any time to change between "Read to Me" and "Read Myself."