4 sentences

1. 这家书店专营少儿读物。

   zhè jiā shū​diàn zhuān​yíng shào'ér dú​wù.

   This bookstore specializes in children's books.

   Source: Dong Chinese Dictionary

2. 这家书店有很多少儿读物。

   zhè jiā shū​diàn yǒu hěn​duō shào'ér dú​wù.

   This bookstore has many children's books.

   Source: Dong Chinese Dictionary

3. 她写儿童读物。

   tā xiě ér​tóng dú​wù.

   She writes children's books.

   Source: OpenSubtitles

4. 图书馆里有很多适合青少年的读物。

   tú​shū​guǎn lǐ yǒu hěn​duō shì​hé qīng​shào​nián de dú​wù.

   There are many reading materials suitable for teenagers in the library.

   Source: Dong Chinese Dictionary