That was (and still is) one of my favorites.
A more recent one that really had me on the edge of my seat was Ghost Country (see my recent blog "Running around in ever-decreasing circles" for more details http://bit.ly/kHRE8d)
Going back in time, all the books I can carry on blacksmithing, machinery design, basic metallurgy and basic/farm chemistry. You need to build the tools to build the tools to build the tools. Lindsay's technical books has a bunch of stuff that would be purfect.
Going ahead is much more difficult, trying to guess what might maintain value is a crapshoot at best. If the assumption is that our decendents are doing well, then any technical information will be outdated and of little value. A mix of collectables or art may do well.
As an aside, I'm a Whovian from way back and have infected my family (my daughter, now 18, is thoroughly addicted to the modern series). We keep our current tier on cable primarily to get BBC-America.
Another time travel book I enjoyed is "The End of Eternity", by Isaac Asimov. It seems to still be in print including a Kindle version. It's focused on a group called "Eternity" that endeavors to manage the evolution of society. It's not the only story to take this theme, but it is my favorite. At least it was many years ago when I read it.
The 1632 series by Eric Flint is one of the most interesting time travel stories to deal with the issue being able to replicate current technology (or not being able to) in the mid-17th century.
If I was going to jump ahead 1000 years, I think the things to take would be items that would be considered collectables with some value in the future--but it would be hard to know what would be popular and still command some value. Would people still collect coins, stamps, baseball cards or any number of other items? Will so much stuff be preserved from this era that anything you take along would be of minimal value? Will gold still be considered valuable in 1000 years? For example, people 2000 years ago didn't dream that salt would be so inexpensive now. Would a US $100 bill be a collectors item or as worthless as hyper-inflationary currency from Weimer-era Germany?
Now if I was going back 2000 years and needed to consider a store of value to take along, I might consider taking some salt, which is where we get the term salary.
I just did a search on Amazon and found a book called "The Best Time Travel Stories of the 20th Century" that contains "The Man Who Came Early".
Unfortunately the book as a whole got mixed reviews, but I've added it to my Amazon "wish list". Thanks for the suggestion.
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