What reference books are better for reading ancient books?

Download the mobile phone and look up the Chinese dictionary.

Download all feature packs.

Encounter unfamiliar Chinese characters, with handwriting function.

After searching, check the explanation.

For example, the uncommon word boil in Shan Hai Jing.

Click the handwriting button ①.

Pop-up handwriting board ②

Write on the tablet and select ③.

Click ④ to view the explanation.

Explain as follows

There are many dictionaries under the picture, which can be viewed and explained one by one.