Silo is a highly versatile document reader. You can find thousands of ready-made documents downloadable immediately for reading with iSilo or you can create your own documents from HTML content using iSiloX.

http://i36.tinypic.com/2yz9y76.jpg

http://i33.tinypic.com/29x9bup.jpg

Features :
High text compression in iSilo format documents result in a 50% to 60% decrease in size, which is about 20% better than the Palm Doc format, allowing you to store more and larger documents on your handheld.
Hyperlinks make it much easier to navigate through a document.
Images add visual richness to documents, especially photo-quality color pictures.
Tables allow the display of tabular data.
Formatted text gives style to text for controlled emphasis.