Educational Development Corp. has acquired Demibooks Inc., a Chicago-based app developer. Its main product is Demibooks Storytime, a curated marketplace for picture book apps.

EDC will continue the offering, which allows publishers to create content for Storytime using Demibooks Composer Pro, a book app authoring platform on the iPad. Demibooks will discontinue Demibooks Composer Studio and a service to publish apps to the App Store. CEO Rafiq Ahmed and CTO Dan Hotop will consult with EDC during a transition period.

EDC bought a stake in Demibooks in fall 2011. “We have had a close working relationship with EDC since their early investment in us, and are confident the Demibooks brand and digital publishing business will continue to grow within the EDC family," Ahmed said in a statement.