Accurate Ecommerce Accounting on Autopilot. Link My Books automates ecommerce bookkeeping for accountants and their clients. Every Amazon, Shopify, eBay and Etsy payout is broken into sales, refunds, fees and taxes, posted to Xero or QuickBooks, and matched to the bank in one click — VAT, GST and sales tax handled correctly. Manage every ecommerce client from one dashboard.