TinyBooks Pro is a simple, non-bloated, single-entry bookkeeping and accounting system for the Macintosh. It s designed for Sole Proprietors, Home, and Small Businesses. TinyBooks Pro is the simplest way to handle the books for most small companies. Just enter your expenses and income, TinyBooks Pro does the rest. Current and year-to-date on-the-fly totals, fully automatic bar-charting, invoices, reporting, tax support, etc.