ISBN: 9780807579404 - How Do You Know What Time It Is? (wells of Knowledge Science Series) (16 results)

Paperback. Condition: Very Good. Oppenheim Toy Portfolio Gold Seal Award 2003 What would life be like with no clocks and no calendars? How would you know when to get up in the morning? How would you know when baseball season was about to start? Long, long ago, all people could do was watch the sun and moon and try to figure things out. Eventually, they made simple clocks like sundials. And as time marched on, people came up with more ways to measure it. Today, quartz crystal watches and atomic clocks tell us EXACTLY what time it is, at any moment, all over the world. Wells, Robert E. (illustrator).…

paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. Wells, Robert E. (illustrator).

Paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. Wells, Robert E. (illustrator).

Paperback. Condition: As New. No Jacket. Pages are clean and are not marred by notes or folds of any kind. ~ ThriftBooks: Read More, Spend Less. Wells, Robert E. (illustrator).

Paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority. Wells, Robert E. (illustrator).

Paperback. Condition: Good. No Jacket. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Wells, Robert E. (illustrator).

Paperback. Condition: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Wells, Robert E. (illustrator).

Paperback. Condition: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. Wells, Robert E. (illustrator).

Paperback. Condition: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Wells, Robert E. (illustrator).

Paperback. Condition: Very Good. Oppenheim Toy Portfolio Gold Seal Award 2003 What would life be like with no clocks and no calendars? How would you know when to get up in the morning? How would you know when baseball season was about to start? Long, long ago, all people could do was watch the sun and moon and try to figure things out. Eventually, they made simple clocks like sundials. And as time marched on, people came up with more ways to measure it. Today, quartz crystal watches and atomic clocks tell us EXACTLY what time it is, at any moment, all over the world. Wells, Robert E. (illustrator).…

paperback. Condition: Like New. Most items will be dispatched the same or the next working day. An apparently unread copy in perfect condition. Dust cover is intact with no nicks or tears. Spine has no signs of creasing. Pages are clean and not marred by notes or folds of any kind. Wells, Robert E. (illustrator). …

Paperback. Condition: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. Wells, Robert E. (illustrator).

Paperback. Condition: Brand New. 32 pages. 6.75x10.00x0.25 inches. In Stock. Wells, Robert E. (illustrator).

Condition: Very Good. Wells, Robert E. (illustrator).

paperback. Condition: Very Good. Wells, Robert E. (illustrator).

paperback. Condition: As New. Wells, Robert E. (illustrator).