Zatopieni w lekturze is the online bookstore associated with Pan Tadeusz, a bookshop located at 55 Długa Street in Zgierz, Poland. Its store brings together a broad selection of books and reading-related products for different ages and interests. Customers can browse fiction, nonfiction, biographies, history, business, popular science, academic titles, and books for children and young adults. The catalogue also includes foreign-language books, audiobooks, school textbooks, large-print editions, and specialist publications covering subjects such as health, cooking, art, and religion.

The shop offers maps and travel guides, with titles for city breaks, walking and cycling routes, pilgrimages, and destinations in Poland and abroad. Featured new releases and selected recommendations sit alongside discounted products and an outlet section. Customers can place orders through the website, manage an account, track order status, and find information about delivery, costs, and store policies. The site also promotes gift cards, making the bookstore a destination for readers seeking a particular title, educational materials, or inspiration for their next journey.