| Title | Author(s) | Pages | Source | Date | |
|---|---|---|---|---|---|
| 610 | Rocket to Luna | Richard Marsten | 211 | Summer/1978 | |
| 611 | Communications satellites, message centers in space | Bernice Kohn | 58 | Summer/1978 | |
| 612 | Encyclopedia Brown takes the case | Donald J. Sobol | 96 | Summer/1978 | |
| 613 | Encyclopedia Brown and the case of the midnight visitor | Donald J. Sobol | 96 | Summer/1978 | |
| 614 | Encyclopedia Brown solves them all | Donald J. Sobol | 96 | Summer/1978 | |
| 615 | Encyclopedia Brown and the case of the dead eagles | Donald J. Sobol | 96 | Summer/1978 | |
| 616 | Encyclopedia Brown saves the day | Donald J. Sobol | 96 | Summer/1978 | |
| 617 | Encyclopedia Brown shows the way | Donald J. Sobol | 96 | Summer/1978 | |
| 618 | Encyclopedia Brown keeps the peace | Donald J. Sobol | 96 | Summer/1978 | |
| 619 | The peaceful atom | Bernice Kohn | 72 | Summer/1978 | |
| 620 | Spencer and his friends | Barbara Dana | 120 | Summer/1978 | |
| 621 | Explorers of the atom | Roy A. Gallant | 79 | Summer/1978 | |
| 622 | Encyclopedia Brown and the case of the secret pitch | Donald J. Sobol | 96 | Summer/1978 | |
| 623 | Encyclopedia Brown finds the clues | Donald J. Sobol | 96 | Summer/1978 | |
| 624 | Encyclopedia Brown, boy detective | Donald J. Sobol | 88 | Summer/1978 | |
| 625 | Cancer | Alvin Silverstein Virginia B. Silverstein | 96 | Summer/1978 | |
| 626 | Mystery of satellite 7 | Charles Ira Coombs | 160 | Summer/1978 | |
| 627 | The clue in the jewel box | Carolyn Keene | 216 | Summer/1978 | |
| 628 | Magnets | Irving Adler Ruth Adler | 48 | Summer/1978 | |
| 629 | Sprout | Jenifer Wayne | 90 | Summer/1978 | |
| 630 | What happens to a hamburger | Raul Showers | 33 | Summer/1978 | |
| 631 | Encyclopedia Brown gets his man | Donald J. Sobol | 96 | Summer/1978 | |
| 632 | Energy from the sun | Melvin Berger | 32 | Summer/1978 | |
| 633 | McBroom tells a lie | Sid Fleischman | 46 | Summer/1978 | |
| 634 | The scarlet slipper mystery | Carolyn Keene | 214 | Summer/1978 | |
| 635 | Mystery of the 99 steps | Carolyn Keene | 176 | Summer/1978 | |
| 636 | Albert Einstein, young thinker | Marie Hammontree | 200 | Summer/1978 | |
| 637 | Electricity | Sam Epstein Beryl Epstein | 68 | Summer/1978 | |
| 638 | The first book of Mars; an introduction to the red planet | David C. Knight | 82 | Summer/1978 | |
| 639 | City rocks, city blocks and the moon | Edward Gallob | 48 | Summer/1978 | |
| 640 | What makes a nuclear power plant work? | Erich Fuchs | 25 | Summer/1978 | |
| 641 | Supertrains | John Gabriel Navarra | 79 | Summer/1978 | |
| 642 | All about the atom | Ira M. Freeman | 146 | Summer/1978 | |
| 643 | You and relativity | Mary Lou Clark | 61 | Summer/1978 | |
| 644 | Fat men from space | Daniel Manus Pinkwater | 0 | Summer/1978 | |
| 645 | The nine planets | Franklyn Mansfield Branley | 86 | Summer/1978 | |
| 646 | Where are you going with that energy? | Roy Doty Len Maar | 62 | Summer/1978 | |
| 647 | Basil of Baker Street | Eve Titus | 96 | Summer/1978 | |
| 648 | Binary numbers | Clyde Watson | 33 | Summer/1978 | |
| 649 | Basil and the lost colony | Eve Titus | 95 | 1978-79 | |
| 650 | Ask me a question about the atom | Sam Rosenfeld | 93 | 1978-79 | |
| 651 | Pieces of another world; the story of moon rocks | Franklyn Mansfield Branley | 58 | 1978-79 | |
| 652 | Things that measure | Philip B. Carona | 72 | 1978-79 | |
| 653 | The first book of light | George Russell Harrison | 85 | 1978-79 | |
| 654 | Geography can be fun | Munro Leaf | 63 | 1978-79 | |
| 655 | The how and why wonder book of ants and bees | Ronald N. Rood | 46 | 1978-79 | |
| 656 | Albert Einstein | Arthur J. Beckhard | 126 | 1978-79 | |
| 657 | Robin Hood of Sherwood Forest | Ann McGovern | 164 | 1978-79 | |
| 658 | The new world of the atom | James Stokley | 333 | 1978-79 | |
| 659 | Man and materials: minerals | Ian Ridpath | 32 | b | 1978-79 |
| 660 | Man and materials: plastics | Ian Ridpath | 32 | b | 1978-79 |
| 661 | The cat from outer space | Ted Key | 166 | ewl | 1978-79 |
| 662 | The "Snoopy, come home" movie book | Charles M. Schulz | 128 | 1978-79 | |
| 663 | The first book of national monuments | Norman M. Lobsenz | 90 | 1978-79 | |
| 664 | How we hear; the story of hearing | Judith Fryer | 32 | 1978-79 | |
| 665 | Cup and saucer chemistry | Nathan Shalit | 93 | 1978-79 | |
| 666 | The electron microscope: a tool of discovery | Aaron E. Klein | 86 | 1978-79 | |
| 667 | How and why experiments; | George Willard Frasier | 384 | 1978-79 | |
| 668 | The giant book of strange but true sports stories | Howard Liss | 147 | 1978-79 | |
| 669 | The day the spaceship landed | Beman Lord | 63 | 1978-79 | |
| 670 | Color, from rainbows to lasers | Franklyn Mansfield Branley | 87 | 1978-79 | |
| 671 | Exploring the world of fossils | William Henry Matthews | 157 | 1978-79 | |
| 672 | Funny stories to read or tell | Mildred Madeleine Corell Luckhardt | 160 | 1978-79 | |
| 673 | Sprout and the dogsitter | Jenifer Wayne | 89 | 1978-79 | |
| 674 | You and atomic energy and its wonderful uses; | John Bryan Lewellen | 56 | 1978-79 | |
| 675 | Star wars: | George Lucas | 214 | gc | 1978-79 |
| 676 | The how and why wonder book of the microscope and what you see | Martin L. Keen | 48 | 1978-79 | |
| 677 | Deserts | Delia Goetz | 64 | 1978-79 | |
| 678 | The first book of national parks | Norman M 1919- Lobsenz | 88 | 1978-79 | |
| 679 | The simple facts of simple machines | Elizabeth James Carol Barkin | 64 | 1978-79 | |
| 680 | Archimedes and his wonderful discoveries | Arthur Jonas | 70 | 1978-79 | |
| 681 | Stories from the twilight zone | Rod Serling | 418 | g | 1978-79 |
| 682 | The day Lincoln was shot | Jim Bishop | 308 | g | 1978-79 |
| 683 | Lasers | George Russell Harrison | 82 | 1978-79 | |
| 684 | The dynamite book of top secret information | Chip Lovitt | 80 | 1978-79 | |
| 685 | "The Hindenburg is burning!" ; and other dirigible disasters | Margaret Ronan | 98 | g | 1978-79 |
| 686 | The assassinations of John & Robert Kennedy | LeRoy Hayman | 156 | g | 1978-79 |
| 687 | Dorothy Hamill | S. H. Burchard | 62 | nf | 1978-79 |
| 688 | Tony and Mark score a winning run over diabetes | Eli Lilly and Company | 20 | 1978-79 | |
| 689 | Eleanor Roosevelt | Jane Goodsell | 38 | 1978-79 | |
| 690 | The great Houdini: magician extraordinary | Beryl Williams Epstein | 182 | g | 1978-79 |