The basics:
Picture Books: Query letter + the full text
Novels: Query letter + the first two chapters + synopsis
Other: Query letter + five page samples (five poems, five nonfiction pages, etc.)
Illustration: Three sample illustrations via attachment, and links to online portfolios
Novels: Query letter + the first two chapters + synopsis
Other: Query letter + five page samples (five poems, five nonfiction pages, etc.)
Illustration: Three sample illustrations via attachment, and links to online portfolios
Happy writing and best of luck on your publishing journey!