LuminaRead is a bilingual e-book platform that helps readers enjoy world literature in its original language while naturally improving their English. Our team developed an interactive parallel-text reader that synchronizes original content with accurate sentence-by-sentence translations and reveals meanings in context with a single click. Users can save words together with their source sentences, build a personal vocabulary, use dark mode and offline access, and synchronize reading progress, bookmarks, and downloaded books across devices. The solution combines a fast, intuitive reading experience with secure cloud data handling and scalable content delivery. It has grown to more than 45,000 users, reached 96% customer satisfaction, and supported reported sales growth of 65%.