TY - BOOK AU - Heinlein,Robert A. TI - The door into summer SN - 0345330129 (pbk.) U1 - 813/.54 21 PY - 1986/// CY - New York PB - Ballantine KW - Time travel KW - Fiction KW - Revenge KW - Inventions KW - sears KW - Science fiction N1 - "A Del Rey book."; Young Adult; Follett Library Resources; Young Adult; 910; Lexile N2 - Electronics engineer Dan Davis, on the verge of great success with his invention of a household robot, is tricked by his greedy partner into suspended animation where he remains for thirty years until he wakes up in the year 2000 bent on revenge ER -