A review by ugoglen
The Door into Summer by Robert A. Heinlein

adventurous fast-paced

• Plot- or character-driven? Plot
• Strong character development? No
• Flaws of characters a main focus? Yes

2.5

"The Door into Summer" is yet another of Heinlein's take on time travel, although the main plot concerns engineer-inventor Dan Davis's shenanigans when he's bilked by his business partner and former fiancée-secretary.