The Art Directors Club has posted the official guidelines and deadlines for their 88th Annual Call for Entries.  Here’s a summary:

IL215 MAGAZINE EDITORIAL
IL216 NEWSPAPER EDITORIAL
IL217 COVER, NEWSPAPER/MAGAZINE
IL218 BOOK (Commercially Published Volumes Only)
IL219 BOOK JACKET
IL220 CARTOON/COMIC BOOK
IL221 CORPORATE/INSTITUTIONAL (Annual Reports, Brochures, Etc.)
IL222 SELF-PROMOTION
IL223 CALENDAR OR APPOINTMENT BOOK
IL224 POSTER OR BILLBOARD
IL225 MISCELLANEOUS
IL226 MAGAZINE ADVERTISEMENT
IL227 NEWSPAPER ADVERTISEMENT
IL228 POSTER OR BILLBOARD ADVERTISEMENT
IL229 PHOTOILLUSTRATION

1. All Illustration entries, excluding books and physical volumes, should be mounted on Bristol boards with a roughly one-inch (3cm) margin.
2. Illustrations alone will not be accepted: no fine art.
3. For works less than 24 x 34 inches (metric A1) in size, please submit mounted originals, printed copies, proofs, reprints or tear sheets trimmed as published. Oversized entries may be represented by scaled artwork reproductions or in-situ photographs, mounted on boards.
4. Non-English-language entries must be translated into English or have a typed English translation taped to the back of the board.
5. For single entries, tape the printed Entry Label to the back of the board.
6. Series entries consist of three to five (3-5) components. Please tape the printed Entry Label to the first board in the series and number the back of each board accordingly (1/3, 2/3, 3/3, etc.).
7. Do NOT hinge, tape or “accordion” boards together.
8. For Book categories (PH204, IL218), only commercially published volumes are accepted

For a full listing of information, check out the official website here.  Good luck!