Books by author Bob Friedhoffer

Showing 1 – 11 out of 11 results

1. 

   Scientific American, Winning Science Fair Projects, Grades 5-7

   BOB FRIEDHOFFER | ibooks Inc, 2017

   
   

   In stock at our supplier - Shipping in 14 - 21 days

   Language: English

   Binding: Paperback

   7.86 €

   Sale 24 %

   You save 2.61 €

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2. 

   Sound

   Bob Friedhoffer, Richard Kaufman, Linda Eisenberg | Lulu.com, 2026

   
   

   50/50 - We search the world

   Language: English

   Binding: Paperback

   14.32 €

   Sale 9 %

   You save 1.55 €

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3. 
   Pre-order

   Simple Science Fair Projects

   Bob Friedhoffer | Chelsea House Publishers, 2006

   
   

   Reprint - Date unknown

   Language: English

   Binding: Hardback

   31.57 €

   Pre-order
4. 

   Matter and Energy

   Bob Friedhoffer, Richard Kaufman, Linda Eisenberg | Lulu.com, 2025

   
   

   50/50 - We search the world

   Language: English

   Binding: Paperback

   14.32 €

   Sale 9 %

   You save 1.55 €

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5. 

   Molecules And Heat

   Bob Friedhoffer, Richard Kaufman, Linda Eisenberg | Lulu.com, 2026

   
   

   50/50 - We search the world

   Language: English

   Binding: Paperback

   14.32 €

   Sale 9 %

   You save 1.55 €

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6. 
   Pre-order

   More Simple Science Fair Projects

   Bob Friedhoffer | Chelsea House Publishers, 2006

   
   

   Reprint - Date unknown

   Language: English

   Binding: Hardback

   31.57 €

   Pre-order
7. 
   Pre-order

   More Winning Science Fair Projects

   Bob Friedhoffer | Chelsea House Publishers, 2006

   
   

   Reprint - Date unknown

   Language: English

   Binding: Hardback

   31.57 €

   Pre-order
8. 
   Pre-order

   Winning Science Fair Projects

   Bob Friedhoffer | Chelsea House Publishers, 2006

   
   

   Reprint - Date unknown

   Language: English

   Binding: Hardback

   31.57 €

   Pre-order
9. 

   Scientific American, Simple Science Fair Projects, Grades 3-5

   BOB FRIEDHOFFER | ibooks Inc, 2018

   
   

   In stock at our supplier - Shipping in 14 - 21 days

   Language: English

   Binding: Paperback

   7.86 €

   Sale 24 %

   You save 2.61 €

   Buy
10. 

    Scientific American, Winning Science Fair Projects, Grades 5-7 (LIB)

    Bob Friedhoffer, Earnie Colon | iBooks, 2017

    
    

    In stock at our supplier - Shipping in 14 - 21 days

    Language: English

    Binding: Hardback

    19.26 €

    Sale 2 %

    You save 0.40 €

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11. 

    Science Lab in the Supermarket

    Bob Friedhoffer, Joe Hosking | Lulu.com, 2026

    
    

    50/50 - We search the world

    Language: English

    Binding: Paperback

    17.55 €

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