noun
e-book, electronic book
A2
E-Book: neuter noun meaning 'e-book' or 'electronic book'. Article: das E-Book; plural: die E-Books. Plural uses hyphenated foreign-word pattern. Declensions are regular as shown (Genitiv des E-Books, Dativ den E-Books). No special preposition or irregular plural; commonly used in German.
Examples
Ich lese ein E-Book auf meinem Tablet.
I'm reading an e-book on my tablet.
Der Bibliothekar empfahl das E-Book, nachdem er den Inhalt geprüft hatte, weil viele Studenten das Thema recherchieren mussten.
The librarian recommended the e-book after he had checked the content because many students had to research the topic.
Das E-Book ist günstiger als das gedruckte Buch.
The e-book is cheaper than the printed book.
Details
Mnemonics
Picture a tablet with a book cover labeled 'E-Book'.
E-Book = electronic book, same in English.
Das -> imagine a small digital device (neutral) with 'das' sticker.
Notes
Neuter noun, often written as 'E-Book' or 'Ebook'.