This interactive visualization displays Amazon Top 50 Bestselling Books from 2009 to 2019, showing average user ratings and prices as grouped bar charts across years. Users can click buttons to filter the view to a specific year, which triggers a scatterplot of book price against user rating with a tooltip showing the book name and author. Built with D3 v6, the visualization uses `d3.scaleBand`, `d3.scaleLinear`, `d3.scaleLog`, and `d3.axisBottom`/`d3.axisLeft` to render SVG elements with animation on data updates.