When searching for books based on Lexile, one may also wish to consider that measures of Lexile usually focus on instructional level, whereas leisure reading should typically be at mastery level, which for most readers is about 50-100 Lexile points below instructional. So a child measured at 1000L would be expected to have the most enjoyable and successful pleasure reading with texts at or below 900L or so.

...pronounced like the long vowel and first letter of the alphabet...