Probably becauze they couldnt get their hands on them.
try <A HREF="http://www.dansdata.com" target="_new">http://www.dansdata.com</A> for a pretty comprehensive cooler review
<b><i>The Very Hungry Caterpillar</i> - George W. Bush's favorite childhood book.
Note: This book was first published a year after Mr Bush graduated from College.</b>