AngelBooks is a two-in-one Accounts & Stock Management package for small online businesses who typically sell their goods through a range of channels whether that be EBay, Amazon, Etsy or Shopify.AngelBooks is a cloud-based accounting system packed with powerful features that has been designed to help run and manage online businesses . Designed specifically for UK customers, it allows to run your accounts, manage your sales, manage stock levels and automatically submit your HMRC VAT returns.