If 446 MB is a bit steep for your Ipad, maybe an 18 MB PDF is more appropriate?
Download this .pdf version of the first Autodesk design book to view on your computer or tablet device.

Imagine Design Create (pdf – 17793Kb)

Autodesk – Book – Imagine Design Create

This is not exactly the same as the interactive Ipad app, but it seems much of the printed content is similar.  Here is a link to the free Ipad app:
Autodesk® Imagine, Design, Create
By Autodesk Inc.