I have user tested my iBook with my family and my girlfriend.

I asked them the following questions to weather it approves to the criteria;

How helpful was the iBook in terms of finding out new information    

Very,  good,  a bit,  not very

How easy was it to find interactivity on my pages?

Very,  good,  a bit,  not very

How easy was it use my interactive features?

Very easy,  standard,  a bit,  not very

What age group would you think it is aimed at?

3-5, 5-10, 10-15, 15-19 19+

How much did you enjoy using my iBook on a scale of 1 to 10?

1,2,3,4,5,6,7,8,9,10

Overall, would you recommend my iBook to anyone to find out more about Coral Reefs?

Yes, no, maybe

The feedback I received for my iBook was actually surprisingly good.  They particually enjoyed the graphics in the background.  They thought it was creative and represented coral reefs very well.

They thought my interactivity was done and presented very well using the 'Tap Me' icons to signify where the content is.

They enjoyed using the image gallery  they thought it was a fun way to learn new things in a creative way that differs from paper.