How many letters does the top answer for “book published in 1603” have?

The most common answer is uranometria (11 letters).

Crossword clue: book published in 1603

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

uranometria 11 letters wd-fact-v3

A uranometry.

book published in 1154 100% similar → tabularogeriana

book published in 1377 100% similar → jikji

book published in 1549 100% similar → bookofcommonprayer

book published in 1555 100% similar → meshari

book published in 1570 100% similar → theatrumorbisterrarum

book published in 1572 100% similar → oslusiadas

book published in 1787 100% similar → sikuquanshu

book published in 1845 100% similar → struwwelpeter